28670460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:180

約数の個数: 192

約数和(自身を含む): 101606400

約数和(自身を除く): 72935940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 59, 60, 65, 70, 78, 84, 89, 91, 105, 118, 130, 140, 156, 177, 178, 182, 195, 210, 236, 260, 267, 273, 295, 354, 356, 364, 390, 413, 420, 445, 455, 534, 546, 590, 623, 708, 767, 780, 826, 885, 890, 910, 1068, 1092, 1157, 1180, 1239, 1246, 1335, 1365, 1534, 1652, 1770, 1780, 1820, 1869, 2065, 2301, 2314, 2478, 2492, 2670, 2730, 3068, 3115, 3471, 3540, 3738, 3835, 4130, 4602, 4628, 4956, 5251, 5340, 5369, 5460, 5785, 6195, 6230, 6942, 7476, 7670, 8099, 8260, 9204, 9345, 10502, 10738, 11505, 11570, 12390, 12460, 13884, 15340, 15753, 16107, 16198, 17355, 18690, 21004, 21476, 23010, 23140, 24297, 24780, 26255, 26845, 31506, 32214, 32396, 34710, 36757, 37380, 40495, 46020, 48594, 52510, 53690, 63012, 64428, 68263, 69420, 73514, 78765, 80535, 80990, 97188, 105020, 107380, 110271, 121485, 136526, 147028, 157530, 161070, 161980, 183785, 204789, 220542, 242970, 273052, 315060, 322140, 341315, 367570, 409578, 441084, 477841, 485940, 551355, 682630, 735140, 819156, 955682, 1023945, 1102710, 1365260, 1433523, 1911364, 2047890, 2205420, 2389205, 2867046, 4095780, 4778410, 5734092, 7167615, 9556820, 14335230, 28670460]

約数ペア:

[(1, 28670460), (2, 14335230), (3, 9556820), (4, 7167615), (5, 5734092), (6, 4778410), (7, 4095780), (10, 2867046), (12, 2389205), (13, 2205420), (14, 2047890), (15, 1911364), (20, 1433523), (21, 1365260), (26, 1102710), (28, 1023945), (30, 955682), (35, 819156), (39, 735140), (42, 682630), (52, 551355), (59, 485940), (60, 477841), (65, 441084), (70, 409578), (78, 367570), (84, 341315), (89, 322140), (91, 315060), (105, 273052), (118, 242970), (130, 220542), (140, 204789), (156, 183785), (177, 161980), (178, 161070), (182, 157530), (195, 147028), (210, 136526), (236, 121485), (260, 110271), (267, 107380), (273, 105020), (295, 97188), (354, 80990), (356, 80535), (364, 78765), (390, 73514), (413, 69420), (420, 68263), (445, 64428), (455, 63012), (534, 53690), (546, 52510), (590, 48594), (623, 46020), (708, 40495), (767, 37380), (780, 36757), (826, 34710), (885, 32396), (890, 32214), (910, 31506), (1068, 26845), (1092, 26255), (1157, 24780), (1180, 24297), (1239, 23140), (1246, 23010), (1335, 21476), (1365, 21004), (1534, 18690), (1652, 17355), (1770, 16198), (1780, 16107), (1820, 15753), (1869, 15340), (2065, 13884), (2301, 12460), (2314, 12390), (2478, 11570), (2492, 11505), (2670, 10738), (2730, 10502), (3068, 9345), (3115, 9204), (3471, 8260), (3540, 8099), (3738, 7670), (3835, 7476), (4130, 6942), (4602, 6230), (4628, 6195), (4956, 5785), (5251, 5460), (5340, 5369)]