217187160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{78691}}^1$

素因数の和:78728

約数の個数: 64

約数和(自身を含む): 679898880

約数和(自身を除く): 462711720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 78691, 157382, 236073, 314764, 393455, 472146, 629528, 786910, 944292, 1180365, 1573820, 1809893, 1888584, 2360730, 3147640, 3619786, 4721460, 5429679, 7239572, 9049465, 9442920, 10859358, 14479144, 18098930, 21718716, 27148395, 36197860, 43437432, 54296790, 72395720, 108593580, 217187160]

約数ペア:

[(1, 217187160), (2, 108593580), (3, 72395720), (4, 54296790), (5, 43437432), (6, 36197860), (8, 27148395), (10, 21718716), (12, 18098930), (15, 14479144), (20, 10859358), (23, 9442920), (24, 9049465), (30, 7239572), (40, 5429679), (46, 4721460), (60, 3619786), (69, 3147640), (92, 2360730), (115, 1888584), (120, 1809893), (138, 1573820), (184, 1180365), (230, 944292), (276, 786910), (345, 629528), (460, 472146), (552, 393455), (690, 314764), (920, 236073), (1380, 157382), (2760, 78691)]