31816260

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:487

約数の個数: 192

約数和(自身を含む): 119347200

約数和(自身を除く): 87530940

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 54, 57, 60, 63, 70, 76, 84, 90, 95, 105, 108, 114, 126, 133, 135, 140, 171, 180, 189, 190, 210, 228, 252, 266, 270, 285, 315, 342, 378, 380, 399, 420, 443, 513, 532, 540, 570, 630, 665, 684, 756, 798, 855, 886, 945, 1026, 1140, 1197, 1260, 1329, 1330, 1596, 1710, 1772, 1890, 1995, 2052, 2215, 2394, 2565, 2658, 2660, 3101, 3420, 3591, 3780, 3987, 3990, 4430, 4788, 5130, 5316, 5985, 6202, 6645, 7182, 7974, 7980, 8417, 8860, 9303, 10260, 11961, 11970, 12404, 13290, 14364, 15505, 15948, 16834, 17955, 18606, 19935, 23922, 23940, 25251, 26580, 27909, 31010, 33668, 35910, 37212, 39870, 42085, 46515, 47844, 50502, 55818, 58919, 59805, 62020, 71820, 75753, 79740, 83727, 84170, 93030, 101004, 111636, 117838, 119610, 126255, 139545, 151506, 167454, 168340, 176757, 186060, 227259, 235676, 239220, 252510, 279090, 294595, 303012, 334908, 353514, 378765, 418635, 454518, 505020, 530271, 558180, 589190, 707028, 757530, 837270, 883785, 909036, 1060542, 1136295, 1178380, 1515060, 1590813, 1674540, 1767570, 2121084, 2272590, 2651355, 3181626, 3535140, 4545180, 5302710, 6363252, 7954065, 10605420, 15908130, 31816260]

約数ペア:

[(1, 31816260), (2, 15908130), (3, 10605420), (4, 7954065), (5, 6363252), (6, 5302710), (7, 4545180), (9, 3535140), (10, 3181626), (12, 2651355), (14, 2272590), (15, 2121084), (18, 1767570), (19, 1674540), (20, 1590813), (21, 1515060), (27, 1178380), (28, 1136295), (30, 1060542), (35, 909036), (36, 883785), (38, 837270), (42, 757530), (45, 707028), (54, 589190), (57, 558180), (60, 530271), (63, 505020), (70, 454518), (76, 418635), (84, 378765), (90, 353514), (95, 334908), (105, 303012), (108, 294595), (114, 279090), (126, 252510), (133, 239220), (135, 235676), (140, 227259), (171, 186060), (180, 176757), (189, 168340), (190, 167454), (210, 151506), (228, 139545), (252, 126255), (266, 119610), (270, 117838), (285, 111636), (315, 101004), (342, 93030), (378, 84170), (380, 83727), (399, 79740), (420, 75753), (443, 71820), (513, 62020), (532, 59805), (540, 58919), (570, 55818), (630, 50502), (665, 47844), (684, 46515), (756, 42085), (798, 39870), (855, 37212), (886, 35910), (945, 33668), (1026, 31010), (1140, 27909), (1197, 26580), (1260, 25251), (1329, 23940), (1330, 23922), (1596, 19935), (1710, 18606), (1772, 17955), (1890, 16834), (1995, 15948), (2052, 15505), (2215, 14364), (2394, 13290), (2565, 12404), (2658, 11970), (2660, 11961), (3101, 10260), (3420, 9303), (3591, 8860), (3780, 8417), (3987, 7980), (3990, 7974), (4430, 7182), (4788, 6645), (5130, 6202), (5316, 5985)]