31373160

素因数分解:

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

素因数の和:77

約数の個数: 256

約数和(自身を含む): 123379200

約数和(自身を除く): 92006040

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, 169, 170, 182, 195, 204, 210, 221, 238, 255, 260, 273, 280, 312, 338, 340, 357, 364, 390, 408, 420, 442, 455, 476, 507, 510, 520, 546, 595, 663, 676, 680, 714, 728, 780, 840, 845, 884, 910, 952, 1014, 1020, 1092, 1105, 1183, 1190, 1326, 1352, 1365, 1428, 1547, 1560, 1690, 1768, 1785, 1820, 2028, 2040, 2184, 2197, 2210, 2366, 2380, 2535, 2652, 2730, 2856, 2873, 3094, 3315, 3380, 3549, 3570, 3640, 4056, 4394, 4420, 4641, 4732, 4760, 5070, 5304, 5460, 5746, 5915, 6188, 6591, 6630, 6760, 7098, 7140, 7735, 8619, 8788, 8840, 9282, 9464, 10140, 10920, 10985, 11492, 11830, 12376, 13182, 13260, 14196, 14280, 14365, 15379, 15470, 17238, 17576, 17745, 18564, 20111, 20280, 21970, 22984, 23205, 23660, 26364, 26520, 28392, 28730, 30758, 30940, 32955, 34476, 35490, 37128, 37349, 40222, 43095, 43940, 46137, 46410, 47320, 52728, 57460, 60333, 61516, 61880, 65910, 68952, 70980, 74698, 76895, 80444, 86190, 87880, 92274, 92820, 100555, 112047, 114920, 120666, 123032, 131820, 141960, 149396, 153790, 160888, 172380, 184548, 185640, 186745, 201110, 224094, 230685, 241332, 261443, 263640, 298792, 301665, 307580, 344760, 369096, 373490, 402220, 448188, 461370, 482664, 522886, 560235, 603330, 615160, 746980, 784329, 804440, 896376, 922740, 1045772, 1120470, 1206660, 1307215, 1493960, 1568658, 1845480, 2091544, 2240940, 2413320, 2614430, 3137316, 3921645, 4481880, 5228860, 6274632, 7843290, 10457720, 15686580, 31373160]

約数ペア:

[(1, 31373160), (2, 15686580), (3, 10457720), (4, 7843290), (5, 6274632), (6, 5228860), (7, 4481880), (8, 3921645), (10, 3137316), (12, 2614430), (13, 2413320), (14, 2240940), (15, 2091544), (17, 1845480), (20, 1568658), (21, 1493960), (24, 1307215), (26, 1206660), (28, 1120470), (30, 1045772), (34, 922740), (35, 896376), (39, 804440), (40, 784329), (42, 746980), (51, 615160), (52, 603330), (56, 560235), (60, 522886), (65, 482664), (68, 461370), (70, 448188), (78, 402220), (84, 373490), (85, 369096), (91, 344760), (102, 307580), (104, 301665), (105, 298792), (119, 263640), (120, 261443), (130, 241332), (136, 230685), (140, 224094), (156, 201110), (168, 186745), (169, 185640), (170, 184548), (182, 172380), (195, 160888), (204, 153790), (210, 149396), (221, 141960), (238, 131820), (255, 123032), (260, 120666), (273, 114920), (280, 112047), (312, 100555), (338, 92820), (340, 92274), (357, 87880), (364, 86190), (390, 80444), (408, 76895), (420, 74698), (442, 70980), (455, 68952), (476, 65910), (507, 61880), (510, 61516), (520, 60333), (546, 57460), (595, 52728), (663, 47320), (676, 46410), (680, 46137), (714, 43940), (728, 43095), (780, 40222), (840, 37349), (845, 37128), (884, 35490), (910, 34476), (952, 32955), (1014, 30940), (1020, 30758), (1092, 28730), (1105, 28392), (1183, 26520), (1190, 26364), (1326, 23660), (1352, 23205), (1365, 22984), (1428, 21970), (1547, 20280), (1560, 20111), (1690, 18564), (1768, 17745), (1785, 17576), (1820, 17238), (2028, 15470), (2040, 15379), (2184, 14365), (2197, 14280), (2210, 14196), (2366, 13260), (2380, 13182), (2535, 12376), (2652, 11830), (2730, 11492), (2856, 10985), (2873, 10920), (3094, 10140), (3315, 9464), (3380, 9282), (3549, 8840), (3570, 8788), (3640, 8619), (4056, 7735), (4394, 7140), (4420, 7098), (4641, 6760), (4732, 6630), (4760, 6591), (5070, 6188), (5304, 5915), (5460, 5746)]