728265720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3923}}^1$

素因数の和:3974

約数の個数: 256

約数和(自身を含む): 2847882240

約数和(自身を除く): 2119616520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 17, 20, 21, 24, 26, 28, 30, 34, 35, 39, 40, 42, 51, 52, 56, 60, 65, 68, 70, 78, 84, 85, 91, 102, 104, 105, 119, 120, 130, 136, 140, 156, 168, 170, 182, 195, 204, 210, 221, 238, 255, 260, 273, 280, 312, 340, 357, 364, 390, 408, 420, 442, 455, 476, 510, 520, 546, 595, 663, 680, 714, 728, 780, 840, 884, 910, 952, 1020, 1092, 1105, 1190, 1326, 1365, 1428, 1547, 1560, 1768, 1785, 1820, 2040, 2184, 2210, 2380, 2652, 2730, 2856, 3094, 3315, 3570, 3640, 3923, 4420, 4641, 4760, 5304, 5460, 6188, 6630, 7140, 7735, 7846, 8840, 9282, 10920, 11769, 12376, 13260, 14280, 15470, 15692, 18564, 19615, 23205, 23538, 26520, 27461, 30940, 31384, 37128, 39230, 46410, 47076, 50999, 54922, 58845, 61880, 66691, 78460, 82383, 92820, 94152, 101998, 109844, 117690, 133382, 137305, 152997, 156920, 164766, 185640, 200073, 203996, 219688, 235380, 254995, 266764, 274610, 305994, 329532, 333455, 356993, 400146, 407992, 411915, 466837, 470760, 509990, 533528, 549220, 611988, 659064, 666910, 713986, 764985, 800292, 823830, 866983, 933674, 1000365, 1019980, 1070979, 1098440, 1223976, 1333820, 1400511, 1427972, 1529970, 1600584, 1647660, 1733966, 1784965, 1867348, 2000730, 2039960, 2141958, 2334185, 2600949, 2667640, 2801022, 2855944, 3059940, 3295320, 3467932, 3569930, 3734696, 4001460, 4283916, 4334915, 4668370, 5201898, 5354895, 5602044, 6068881, 6119880, 6935864, 7002555, 7139860, 8002920, 8567832, 8669830, 9336740, 10403796, 10709790, 11204088, 12137762, 13004745, 14005110, 14279720, 17339660, 18206643, 18673480, 20807592, 21419580, 24275524, 26009490, 28010220, 30344405, 34679320, 36413286, 42839160, 48551048, 52018980, 56020440, 60688810, 72826572, 91033215, 104037960, 121377620, 145653144, 182066430, 242755240, 364132860, 728265720]

約数ペア:

[(1, 728265720), (2, 364132860), (3, 242755240), (4, 182066430), (5, 145653144), (6, 121377620), (7, 104037960), (8, 91033215), (10, 72826572), (12, 60688810), (13, 56020440), (14, 52018980), (15, 48551048), (17, 42839160), (20, 36413286), (21, 34679320), (24, 30344405), (26, 28010220), (28, 26009490), (30, 24275524), (34, 21419580), (35, 20807592), (39, 18673480), (40, 18206643), (42, 17339660), (51, 14279720), (52, 14005110), (56, 13004745), (60, 12137762), (65, 11204088), (68, 10709790), (70, 10403796), (78, 9336740), (84, 8669830), (85, 8567832), (91, 8002920), (102, 7139860), (104, 7002555), (105, 6935864), (119, 6119880), (120, 6068881), (130, 5602044), (136, 5354895), (140, 5201898), (156, 4668370), (168, 4334915), (170, 4283916), (182, 4001460), (195, 3734696), (204, 3569930), (210, 3467932), (221, 3295320), (238, 3059940), (255, 2855944), (260, 2801022), (273, 2667640), (280, 2600949), (312, 2334185), (340, 2141958), (357, 2039960), (364, 2000730), (390, 1867348), (408, 1784965), (420, 1733966), (442, 1647660), (455, 1600584), (476, 1529970), (510, 1427972), (520, 1400511), (546, 1333820), (595, 1223976), (663, 1098440), (680, 1070979), (714, 1019980), (728, 1000365), (780, 933674), (840, 866983), (884, 823830), (910, 800292), (952, 764985), (1020, 713986), (1092, 666910), (1105, 659064), (1190, 611988), (1326, 549220), (1365, 533528), (1428, 509990), (1547, 470760), (1560, 466837), (1768, 411915), (1785, 407992), (1820, 400146), (2040, 356993), (2184, 333455), (2210, 329532), (2380, 305994), (2652, 274610), (2730, 266764), (2856, 254995), (3094, 235380), (3315, 219688), (3570, 203996), (3640, 200073), (3923, 185640), (4420, 164766), (4641, 156920), (4760, 152997), (5304, 137305), (5460, 133382), (6188, 117690), (6630, 109844), (7140, 101998), (7735, 94152), (7846, 92820), (8840, 82383), (9282, 78460), (10920, 66691), (11769, 61880), (12376, 58845), (13260, 54922), (14280, 50999), (15470, 47076), (15692, 46410), (18564, 39230), (19615, 37128), (23205, 31384), (23538, 30940), (26520, 27461)]