259140240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{997}}^1$

素因数の和:1054

約数の個数: 180

約数和(自身を含む): 919415484

約数和(自身を除く): 660275244

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 361, 380, 456, 570, 684, 720, 722, 760, 855, 912, 997, 1083, 1140, 1368, 1444, 1520, 1710, 1805, 1994, 2166, 2280, 2736, 2888, 2991, 3249, 3420, 3610, 3988, 4332, 4560, 4985, 5415, 5776, 5982, 6498, 6840, 7220, 7976, 8664, 8973, 9970, 10830, 11964, 12996, 13680, 14440, 14955, 15952, 16245, 17328, 17946, 18943, 19940, 21660, 23928, 25992, 28880, 29910, 32490, 35892, 37886, 39880, 43320, 44865, 47856, 51984, 56829, 59820, 64980, 71784, 75772, 79760, 86640, 89730, 94715, 113658, 119640, 129960, 143568, 151544, 170487, 179460, 189430, 227316, 239280, 259920, 284145, 303088, 340974, 358920, 359917, 378860, 454632, 568290, 681948, 717840, 719834, 757720, 852435, 909264, 1079751, 1136580, 1363896, 1439668, 1515440, 1704870, 1799585, 2159502, 2273160, 2727792, 2879336, 3239253, 3409740, 3599170, 4319004, 4546320, 5398755, 5758672, 6478506, 6819480, 7198340, 8638008, 10797510, 12957012, 13638960, 14396680, 16196265, 17276016, 21595020, 25914024, 28793360, 32392530, 43190040, 51828048, 64785060, 86380080, 129570120, 259140240]

約数ペア:

[(1, 259140240), (2, 129570120), (3, 86380080), (4, 64785060), (5, 51828048), (6, 43190040), (8, 32392530), (9, 28793360), (10, 25914024), (12, 21595020), (15, 17276016), (16, 16196265), (18, 14396680), (19, 13638960), (20, 12957012), (24, 10797510), (30, 8638008), (36, 7198340), (38, 6819480), (40, 6478506), (45, 5758672), (48, 5398755), (57, 4546320), (60, 4319004), (72, 3599170), (76, 3409740), (80, 3239253), (90, 2879336), (95, 2727792), (114, 2273160), (120, 2159502), (144, 1799585), (152, 1704870), (171, 1515440), (180, 1439668), (190, 1363896), (228, 1136580), (240, 1079751), (285, 909264), (304, 852435), (342, 757720), (360, 719834), (361, 717840), (380, 681948), (456, 568290), (570, 454632), (684, 378860), (720, 359917), (722, 358920), (760, 340974), (855, 303088), (912, 284145), (997, 259920), (1083, 239280), (1140, 227316), (1368, 189430), (1444, 179460), (1520, 170487), (1710, 151544), (1805, 143568), (1994, 129960), (2166, 119640), (2280, 113658), (2736, 94715), (2888, 89730), (2991, 86640), (3249, 79760), (3420, 75772), (3610, 71784), (3988, 64980), (4332, 59820), (4560, 56829), (4985, 51984), (5415, 47856), (5776, 44865), (5982, 43320), (6498, 39880), (6840, 37886), (7220, 35892), (7976, 32490), (8664, 29910), (8973, 28880), (9970, 25992), (10830, 23928), (11964, 21660), (12996, 19940), (13680, 18943), (14440, 17946), (14955, 17328), (15952, 16245)]