137440360

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{409}}^1$

素因数の和:722

約数の個数: 64

約数和(自身を含む): 321177600

約数和(自身を除く): 183737240

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 271, 310, 409, 542, 620, 818, 1084, 1240, 1355, 1636, 2045, 2168, 2710, 3272, 4090, 5420, 8180, 8401, 10840, 12679, 16360, 16802, 25358, 33604, 42005, 50716, 63395, 67208, 84010, 101432, 110839, 126790, 168020, 221678, 253580, 336040, 443356, 507160, 554195, 886712, 1108390, 2216780, 3436009, 4433560, 6872018, 13744036, 17180045, 27488072, 34360090, 68720180, 137440360]

約数ペア:

[(1, 137440360), (2, 68720180), (4, 34360090), (5, 27488072), (8, 17180045), (10, 13744036), (20, 6872018), (31, 4433560), (40, 3436009), (62, 2216780), (124, 1108390), (155, 886712), (248, 554195), (271, 507160), (310, 443356), (409, 336040), (542, 253580), (620, 221678), (818, 168020), (1084, 126790), (1240, 110839), (1355, 101432), (1636, 84010), (2045, 67208), (2168, 63395), (2710, 50716), (3272, 42005), (4090, 33604), (5420, 25358), (8180, 16802), (8401, 16360), (10840, 12679)]