68589220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:242

約数の個数: 144

約数和(自身を含む): 186157440

約数和(自身を除く): 117568220

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 23, 28, 34, 35, 46, 49, 68, 70, 85, 92, 98, 115, 119, 140, 161, 170, 179, 196, 230, 238, 245, 322, 340, 358, 391, 460, 476, 490, 595, 644, 716, 782, 805, 833, 895, 980, 1127, 1190, 1253, 1564, 1610, 1666, 1790, 1955, 2254, 2380, 2506, 2737, 3043, 3220, 3332, 3580, 3910, 4117, 4165, 4508, 5012, 5474, 5635, 6086, 6265, 7820, 8234, 8330, 8771, 10948, 11270, 12172, 12530, 13685, 15215, 16468, 16660, 17542, 19159, 20585, 21301, 22540, 25060, 27370, 28819, 30430, 35084, 38318, 41170, 42602, 43855, 54740, 57638, 60860, 69989, 76636, 82340, 85204, 87710, 95795, 106505, 115276, 139978, 144095, 149107, 175420, 191590, 201733, 213010, 279956, 288190, 298214, 349945, 383180, 403466, 426020, 489923, 576380, 596428, 699890, 745535, 806932, 979846, 1008665, 1399780, 1491070, 1959692, 2017330, 2449615, 2982140, 3429461, 4034660, 4899230, 6858922, 9798460, 13717844, 17147305, 34294610, 68589220]

約数ペア:

[(1, 68589220), (2, 34294610), (4, 17147305), (5, 13717844), (7, 9798460), (10, 6858922), (14, 4899230), (17, 4034660), (20, 3429461), (23, 2982140), (28, 2449615), (34, 2017330), (35, 1959692), (46, 1491070), (49, 1399780), (68, 1008665), (70, 979846), (85, 806932), (92, 745535), (98, 699890), (115, 596428), (119, 576380), (140, 489923), (161, 426020), (170, 403466), (179, 383180), (196, 349945), (230, 298214), (238, 288190), (245, 279956), (322, 213010), (340, 201733), (358, 191590), (391, 175420), (460, 149107), (476, 144095), (490, 139978), (595, 115276), (644, 106505), (716, 95795), (782, 87710), (805, 85204), (833, 82340), (895, 76636), (980, 69989), (1127, 60860), (1190, 57638), (1253, 54740), (1564, 43855), (1610, 42602), (1666, 41170), (1790, 38318), (1955, 35084), (2254, 30430), (2380, 28819), (2506, 27370), (2737, 25060), (3043, 22540), (3220, 21301), (3332, 20585), (3580, 19159), (3910, 17542), (4117, 16660), (4165, 16468), (4508, 15215), (5012, 13685), (5474, 12530), (5635, 12172), (6086, 11270), (6265, 10948), (7820, 8771), (8234, 8330)]