25675020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:141

約数の個数: 216

約数和(自身を含む): 94112928

約数和(自身を除く): 68437908

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 41, 42, 45, 49, 60, 63, 70, 71, 82, 84, 90, 98, 105, 123, 126, 140, 142, 147, 164, 180, 196, 205, 210, 213, 245, 246, 252, 284, 287, 294, 315, 355, 369, 410, 420, 426, 441, 490, 492, 497, 574, 588, 615, 630, 639, 710, 735, 738, 820, 852, 861, 882, 980, 994, 1065, 1148, 1230, 1260, 1278, 1420, 1435, 1470, 1476, 1491, 1722, 1764, 1845, 1988, 2009, 2130, 2205, 2460, 2485, 2556, 2583, 2870, 2911, 2940, 2982, 3195, 3444, 3479, 3690, 4018, 4260, 4305, 4410, 4473, 4970, 5166, 5740, 5822, 5964, 6027, 6390, 6958, 7380, 7455, 8036, 8610, 8733, 8820, 8946, 9940, 10045, 10332, 10437, 11644, 12054, 12780, 12915, 13916, 14555, 14910, 17220, 17395, 17466, 17892, 18081, 20090, 20377, 20874, 22365, 24108, 25830, 26199, 29110, 29820, 30135, 31311, 34790, 34932, 36162, 40180, 40754, 41748, 43665, 44730, 51660, 52185, 52398, 58220, 60270, 61131, 62622, 69580, 72324, 81508, 87330, 89460, 90405, 101885, 104370, 104796, 120540, 122262, 125244, 130995, 142639, 156555, 174660, 180810, 183393, 203770, 208740, 244524, 261990, 285278, 305655, 313110, 361620, 366786, 407540, 427917, 523980, 570556, 611310, 626220, 713195, 733572, 855834, 916965, 1222620, 1283751, 1426390, 1711668, 1833930, 2139585, 2567502, 2852780, 3667860, 4279170, 5135004, 6418755, 8558340, 12837510, 25675020]

約数ペア:

[(1, 25675020), (2, 12837510), (3, 8558340), (4, 6418755), (5, 5135004), (6, 4279170), (7, 3667860), (9, 2852780), (10, 2567502), (12, 2139585), (14, 1833930), (15, 1711668), (18, 1426390), (20, 1283751), (21, 1222620), (28, 916965), (30, 855834), (35, 733572), (36, 713195), (41, 626220), (42, 611310), (45, 570556), (49, 523980), (60, 427917), (63, 407540), (70, 366786), (71, 361620), (82, 313110), (84, 305655), (90, 285278), (98, 261990), (105, 244524), (123, 208740), (126, 203770), (140, 183393), (142, 180810), (147, 174660), (164, 156555), (180, 142639), (196, 130995), (205, 125244), (210, 122262), (213, 120540), (245, 104796), (246, 104370), (252, 101885), (284, 90405), (287, 89460), (294, 87330), (315, 81508), (355, 72324), (369, 69580), (410, 62622), (420, 61131), (426, 60270), (441, 58220), (490, 52398), (492, 52185), (497, 51660), (574, 44730), (588, 43665), (615, 41748), (630, 40754), (639, 40180), (710, 36162), (735, 34932), (738, 34790), (820, 31311), (852, 30135), (861, 29820), (882, 29110), (980, 26199), (994, 25830), (1065, 24108), (1148, 22365), (1230, 20874), (1260, 20377), (1278, 20090), (1420, 18081), (1435, 17892), (1470, 17466), (1476, 17395), (1491, 17220), (1722, 14910), (1764, 14555), (1845, 13916), (1988, 12915), (2009, 12780), (2130, 12054), (2205, 11644), (2460, 10437), (2485, 10332), (2556, 10045), (2583, 9940), (2870, 8946), (2911, 8820), (2940, 8733), (2982, 8610), (3195, 8036), (3444, 7455), (3479, 7380), (3690, 6958), (4018, 6390), (4260, 6027), (4305, 5964), (4410, 5822), (4473, 5740), (4970, 5166)]