639715440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1723}}^1$

素因数の和:1776

約数の個数: 320

約数和(自身を含む): 2585834496

約数和(自身を除く): 1946119056

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 17, 20, 21, 24, 26, 28, 30, 34, 35, 39, 40, 42, 48, 51, 52, 56, 60, 65, 68, 70, 78, 80, 84, 85, 91, 102, 104, 105, 112, 119, 120, 130, 136, 140, 156, 168, 170, 182, 195, 204, 208, 210, 221, 238, 240, 255, 260, 272, 273, 280, 312, 336, 340, 357, 364, 390, 408, 420, 442, 455, 476, 510, 520, 546, 560, 595, 624, 663, 680, 714, 728, 780, 816, 840, 884, 910, 952, 1020, 1040, 1092, 1105, 1190, 1326, 1360, 1365, 1428, 1456, 1547, 1560, 1680, 1723, 1768, 1785, 1820, 1904, 2040, 2184, 2210, 2380, 2652, 2730, 2856, 3094, 3120, 3315, 3446, 3536, 3570, 3640, 4080, 4368, 4420, 4641, 4760, 5169, 5304, 5460, 5712, 6188, 6630, 6892, 7140, 7280, 7735, 8615, 8840, 9282, 9520, 10338, 10608, 10920, 12061, 12376, 13260, 13784, 14280, 15470, 17230, 17680, 18564, 20676, 21840, 22399, 23205, 24122, 24752, 25845, 26520, 27568, 28560, 29291, 30940, 34460, 36183, 37128, 41352, 44798, 46410, 48244, 51690, 53040, 58582, 60305, 61880, 67197, 68920, 72366, 74256, 82704, 87873, 89596, 92820, 96488, 103380, 111995, 117164, 120610, 123760, 134394, 137840, 144732, 146455, 156793, 175746, 179192, 180915, 185640, 192976, 205037, 206760, 223990, 234328, 241220, 268788, 289464, 292910, 313586, 335985, 351492, 358384, 361830, 371280, 380783, 410074, 413520, 439365, 447980, 468656, 470379, 482440, 537576, 578928, 585820, 615111, 627172, 671970, 702984, 723660, 761566, 783965, 820148, 878730, 895960, 940758, 964880, 1025185, 1075152, 1142349, 1171640, 1230222, 1254344, 1343940, 1405968, 1447320, 1523132, 1567930, 1640296, 1757460, 1791920, 1881516, 1903915, 2050370, 2284698, 2343280, 2351895, 2460444, 2508688, 2665481, 2687880, 2894640, 3046264, 3075555, 3135860, 3280592, 3514920, 3763032, 3807830, 4100740, 4569396, 4703790, 4920888, 5330962, 5375760, 5711745, 6092528, 6151110, 6271720, 7029840, 7526064, 7615660, 7996443, 8201480, 9138792, 9407580, 9841776, 10661924, 11423490, 12302220, 12543440, 13327405, 15231320, 15992886, 16402960, 18277584, 18815160, 21323848, 22846980, 24604440, 26654810, 30462640, 31985772, 37630320, 39982215, 42647696, 45693960, 49208880, 53309620, 63971544, 79964430, 91387920, 106619240, 127943088, 159928860, 213238480, 319857720, 639715440]

約数ペア:

[(1, 639715440), (2, 319857720), (3, 213238480), (4, 159928860), (5, 127943088), (6, 106619240), (7, 91387920), (8, 79964430), (10, 63971544), (12, 53309620), (13, 49208880), (14, 45693960), (15, 42647696), (16, 39982215), (17, 37630320), (20, 31985772), (21, 30462640), (24, 26654810), (26, 24604440), (28, 22846980), (30, 21323848), (34, 18815160), (35, 18277584), (39, 16402960), (40, 15992886), (42, 15231320), (48, 13327405), (51, 12543440), (52, 12302220), (56, 11423490), (60, 10661924), (65, 9841776), (68, 9407580), (70, 9138792), (78, 8201480), (80, 7996443), (84, 7615660), (85, 7526064), (91, 7029840), (102, 6271720), (104, 6151110), (105, 6092528), (112, 5711745), (119, 5375760), (120, 5330962), (130, 4920888), (136, 4703790), (140, 4569396), (156, 4100740), (168, 3807830), (170, 3763032), (182, 3514920), (195, 3280592), (204, 3135860), (208, 3075555), (210, 3046264), (221, 2894640), (238, 2687880), (240, 2665481), (255, 2508688), (260, 2460444), (272, 2351895), (273, 2343280), (280, 2284698), (312, 2050370), (336, 1903915), (340, 1881516), (357, 1791920), (364, 1757460), (390, 1640296), (408, 1567930), (420, 1523132), (442, 1447320), (455, 1405968), (476, 1343940), (510, 1254344), (520, 1230222), (546, 1171640), (560, 1142349), (595, 1075152), (624, 1025185), (663, 964880), (680, 940758), (714, 895960), (728, 878730), (780, 820148), (816, 783965), (840, 761566), (884, 723660), (910, 702984), (952, 671970), (1020, 627172), (1040, 615111), (1092, 585820), (1105, 578928), (1190, 537576), (1326, 482440), (1360, 470379), (1365, 468656), (1428, 447980), (1456, 439365), (1547, 413520), (1560, 410074), (1680, 380783), (1723, 371280), (1768, 361830), (1785, 358384), (1820, 351492), (1904, 335985), (2040, 313586), (2184, 292910), (2210, 289464), (2380, 268788), (2652, 241220), (2730, 234328), (2856, 223990), (3094, 206760), (3120, 205037), (3315, 192976), (3446, 185640), (3536, 180915), (3570, 179192), (3640, 175746), (4080, 156793), (4368, 146455), (4420, 144732), (4641, 137840), (4760, 134394), (5169, 123760), (5304, 120610), (5460, 117164), (5712, 111995), (6188, 103380), (6630, 96488), (6892, 92820), (7140, 89596), (7280, 87873), (7735, 82704), (8615, 74256), (8840, 72366), (9282, 68920), (9520, 67197), (10338, 61880), (10608, 60305), (10920, 58582), (12061, 53040), (12376, 51690), (13260, 48244), (13784, 46410), (14280, 44798), (15470, 41352), (17230, 37128), (17680, 36183), (18564, 34460), (20676, 30940), (21840, 29291), (22399, 28560), (23205, 27568), (24122, 26520), (24752, 25845)]