71359020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:240

約数の個数: 144

約数和(自身を含む): 225589728

約数和(自身を除く): 154230708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 67, 90, 97, 122, 134, 180, 183, 194, 201, 244, 268, 291, 305, 335, 366, 388, 402, 485, 549, 582, 603, 610, 670, 732, 804, 873, 915, 970, 1005, 1098, 1164, 1206, 1220, 1340, 1455, 1746, 1830, 1940, 2010, 2196, 2412, 2745, 2910, 3015, 3492, 3660, 4020, 4087, 4365, 5490, 5820, 5917, 6030, 6499, 8174, 8730, 10980, 11834, 12060, 12261, 12998, 16348, 17460, 17751, 19497, 20435, 23668, 24522, 25996, 29585, 32495, 35502, 36783, 38994, 40870, 49044, 53253, 58491, 59170, 61305, 64990, 71004, 73566, 77988, 81740, 88755, 97485, 106506, 116982, 118340, 122610, 129980, 147132, 177510, 183915, 194970, 213012, 233964, 245220, 266265, 292455, 355020, 367830, 389940, 396439, 532530, 584910, 735660, 792878, 1065060, 1169820, 1189317, 1585756, 1982195, 2378634, 3567951, 3964390, 4757268, 5946585, 7135902, 7928780, 11893170, 14271804, 17839755, 23786340, 35679510, 71359020]

約数ペア:

[(1, 71359020), (2, 35679510), (3, 23786340), (4, 17839755), (5, 14271804), (6, 11893170), (9, 7928780), (10, 7135902), (12, 5946585), (15, 4757268), (18, 3964390), (20, 3567951), (30, 2378634), (36, 1982195), (45, 1585756), (60, 1189317), (61, 1169820), (67, 1065060), (90, 792878), (97, 735660), (122, 584910), (134, 532530), (180, 396439), (183, 389940), (194, 367830), (201, 355020), (244, 292455), (268, 266265), (291, 245220), (305, 233964), (335, 213012), (366, 194970), (388, 183915), (402, 177510), (485, 147132), (549, 129980), (582, 122610), (603, 118340), (610, 116982), (670, 106506), (732, 97485), (804, 88755), (873, 81740), (915, 77988), (970, 73566), (1005, 71004), (1098, 64990), (1164, 61305), (1206, 59170), (1220, 58491), (1340, 53253), (1455, 49044), (1746, 40870), (1830, 38994), (1940, 36783), (2010, 35502), (2196, 32495), (2412, 29585), (2745, 25996), (2910, 24522), (3015, 23668), (3492, 20435), (3660, 19497), (4020, 17751), (4087, 17460), (4365, 16348), (5490, 12998), (5820, 12261), (5917, 12060), (6030, 11834), (6499, 10980), (8174, 8730)]