31473960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:531

約数の個数: 128

約数和(自身を含む): 109382400

約数和(自身を除く): 77908440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 89, 105, 120, 140, 168, 178, 210, 267, 280, 356, 420, 421, 445, 534, 623, 712, 840, 842, 890, 1068, 1246, 1263, 1335, 1684, 1780, 1869, 2105, 2136, 2492, 2526, 2670, 2947, 3115, 3368, 3560, 3738, 4210, 4984, 5052, 5340, 5894, 6230, 6315, 7476, 8420, 8841, 9345, 10104, 10680, 11788, 12460, 12630, 14735, 14952, 16840, 17682, 18690, 23576, 24920, 25260, 29470, 35364, 37380, 37469, 44205, 50520, 58940, 70728, 74760, 74938, 88410, 112407, 117880, 149876, 176820, 187345, 224814, 262283, 299752, 353640, 374690, 449628, 524566, 562035, 749380, 786849, 899256, 1049132, 1124070, 1311415, 1498760, 1573698, 2098264, 2248140, 2622830, 3147396, 3934245, 4496280, 5245660, 6294792, 7868490, 10491320, 15736980, 31473960]

約数ペア:

[(1, 31473960), (2, 15736980), (3, 10491320), (4, 7868490), (5, 6294792), (6, 5245660), (7, 4496280), (8, 3934245), (10, 3147396), (12, 2622830), (14, 2248140), (15, 2098264), (20, 1573698), (21, 1498760), (24, 1311415), (28, 1124070), (30, 1049132), (35, 899256), (40, 786849), (42, 749380), (56, 562035), (60, 524566), (70, 449628), (84, 374690), (89, 353640), (105, 299752), (120, 262283), (140, 224814), (168, 187345), (178, 176820), (210, 149876), (267, 117880), (280, 112407), (356, 88410), (420, 74938), (421, 74760), (445, 70728), (534, 58940), (623, 50520), (712, 44205), (840, 37469), (842, 37380), (890, 35364), (1068, 29470), (1246, 25260), (1263, 24920), (1335, 23576), (1684, 18690), (1780, 17682), (1869, 16840), (2105, 14952), (2136, 14735), (2492, 12630), (2526, 12460), (2670, 11788), (2947, 10680), (3115, 10104), (3368, 9345), (3560, 8841), (3738, 8420), (4210, 7476), (4984, 6315), (5052, 6230), (5340, 5894)]