254707320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3407}}^1$

素因数の和:3517

約数の個数: 128

約数和(自身を含む): 883353600

約数和(自身を除く): 628646280

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, 445, 534, 623, 712, 840, 890, 1068, 1246, 1335, 1780, 1869, 2136, 2492, 2670, 3115, 3407, 3560, 3738, 4984, 5340, 6230, 6814, 7476, 9345, 10221, 10680, 12460, 13628, 14952, 17035, 18690, 20442, 23849, 24920, 27256, 34070, 37380, 40884, 47698, 51105, 68140, 71547, 74760, 81768, 95396, 102210, 119245, 136280, 143094, 190792, 204420, 238490, 286188, 303223, 357735, 408840, 476980, 572376, 606446, 715470, 909669, 953960, 1212892, 1430940, 1516115, 1819338, 2122561, 2425784, 2861880, 3032230, 3638676, 4245122, 4548345, 6064460, 6367683, 7277352, 8490244, 9096690, 10612805, 12128920, 12735366, 16980488, 18193380, 21225610, 25470732, 31838415, 36386760, 42451220, 50941464, 63676830, 84902440, 127353660, 254707320]

約数ペア:

[(1, 254707320), (2, 127353660), (3, 84902440), (4, 63676830), (5, 50941464), (6, 42451220), (7, 36386760), (8, 31838415), (10, 25470732), (12, 21225610), (14, 18193380), (15, 16980488), (20, 12735366), (21, 12128920), (24, 10612805), (28, 9096690), (30, 8490244), (35, 7277352), (40, 6367683), (42, 6064460), (56, 4548345), (60, 4245122), (70, 3638676), (84, 3032230), (89, 2861880), (105, 2425784), (120, 2122561), (140, 1819338), (168, 1516115), (178, 1430940), (210, 1212892), (267, 953960), (280, 909669), (356, 715470), (420, 606446), (445, 572376), (534, 476980), (623, 408840), (712, 357735), (840, 303223), (890, 286188), (1068, 238490), (1246, 204420), (1335, 190792), (1780, 143094), (1869, 136280), (2136, 119245), (2492, 102210), (2670, 95396), (3115, 81768), (3407, 74760), (3560, 71547), (3738, 68140), (4984, 51105), (5340, 47698), (6230, 40884), (6814, 37380), (7476, 34070), (9345, 27256), (10221, 24920), (10680, 23849), (12460, 20442), (13628, 18690), (14952, 17035)]