42405720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2657}}^1$

素因数の和:2697

約数の個数: 128

約数和(自身を含む): 153100800

約数和(自身を除く): 110695080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2657, 2660, 3192, 3990, 5314, 5320, 7971, 7980, 10628, 13285, 15942, 15960, 18599, 21256, 26570, 31884, 37198, 39855, 50483, 53140, 55797, 63768, 74396, 79710, 92995, 100966, 106280, 111594, 148792, 151449, 159420, 185990, 201932, 223188, 252415, 278985, 302898, 318840, 353381, 371980, 403864, 446376, 504830, 557970, 605796, 706762, 743960, 757245, 1009660, 1060143, 1115940, 1211592, 1413524, 1514490, 1766905, 2019320, 2120286, 2231880, 2827048, 3028980, 3533810, 4240572, 5300715, 6057960, 7067620, 8481144, 10601430, 14135240, 21202860, 42405720]

約数ペア:

[(1, 42405720), (2, 21202860), (3, 14135240), (4, 10601430), (5, 8481144), (6, 7067620), (7, 6057960), (8, 5300715), (10, 4240572), (12, 3533810), (14, 3028980), (15, 2827048), (19, 2231880), (20, 2120286), (21, 2019320), (24, 1766905), (28, 1514490), (30, 1413524), (35, 1211592), (38, 1115940), (40, 1060143), (42, 1009660), (56, 757245), (57, 743960), (60, 706762), (70, 605796), (76, 557970), (84, 504830), (95, 446376), (105, 403864), (114, 371980), (120, 353381), (133, 318840), (140, 302898), (152, 278985), (168, 252415), (190, 223188), (210, 201932), (228, 185990), (266, 159420), (280, 151449), (285, 148792), (380, 111594), (399, 106280), (420, 100966), (456, 92995), (532, 79710), (570, 74396), (665, 63768), (760, 55797), (798, 53140), (840, 50483), (1064, 39855), (1140, 37198), (1330, 31884), (1596, 26570), (1995, 21256), (2280, 18599), (2657, 15960), (2660, 15942), (3192, 13285), (3990, 10628), (5314, 7980), (5320, 7971)]