31436580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{89}}^1$

素因数の和:166

約数の個数: 144

約数和(自身を含む): 105356160

約数和(自身を除く): 73919580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 58, 60, 70, 84, 87, 89, 105, 116, 140, 145, 174, 178, 203, 210, 267, 290, 348, 356, 406, 420, 435, 445, 534, 580, 609, 623, 812, 841, 870, 890, 1015, 1068, 1218, 1246, 1335, 1682, 1740, 1780, 1869, 2030, 2436, 2492, 2523, 2581, 2670, 3045, 3115, 3364, 3738, 4060, 4205, 5046, 5162, 5340, 5887, 6090, 6230, 7476, 7743, 8410, 9345, 10092, 10324, 11774, 12180, 12460, 12615, 12905, 15486, 16820, 17661, 18067, 18690, 23548, 25230, 25810, 29435, 30972, 35322, 36134, 37380, 38715, 50460, 51620, 54201, 58870, 70644, 72268, 74849, 77430, 88305, 90335, 108402, 117740, 149698, 154860, 176610, 180670, 216804, 224547, 271005, 299396, 353220, 361340, 374245, 449094, 523943, 542010, 748490, 898188, 1047886, 1084020, 1122735, 1496980, 1571829, 2095772, 2245470, 2619715, 3143658, 4490940, 5239430, 6287316, 7859145, 10478860, 15718290, 31436580]

約数ペア:

[(1, 31436580), (2, 15718290), (3, 10478860), (4, 7859145), (5, 6287316), (6, 5239430), (7, 4490940), (10, 3143658), (12, 2619715), (14, 2245470), (15, 2095772), (20, 1571829), (21, 1496980), (28, 1122735), (29, 1084020), (30, 1047886), (35, 898188), (42, 748490), (58, 542010), (60, 523943), (70, 449094), (84, 374245), (87, 361340), (89, 353220), (105, 299396), (116, 271005), (140, 224547), (145, 216804), (174, 180670), (178, 176610), (203, 154860), (210, 149698), (267, 117740), (290, 108402), (348, 90335), (356, 88305), (406, 77430), (420, 74849), (435, 72268), (445, 70644), (534, 58870), (580, 54201), (609, 51620), (623, 50460), (812, 38715), (841, 37380), (870, 36134), (890, 35322), (1015, 30972), (1068, 29435), (1218, 25810), (1246, 25230), (1335, 23548), (1682, 18690), (1740, 18067), (1780, 17661), (1869, 16820), (2030, 15486), (2436, 12905), (2492, 12615), (2523, 12460), (2581, 12180), (2670, 11774), (3045, 10324), (3115, 10092), (3364, 9345), (3738, 8410), (4060, 7743), (4205, 7476), (5046, 6230), (5162, 6090), (5340, 5887)]