148981040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4621}}^1$

素因数の和:4678

約数の個数: 80

約数和(自身を含む): 385142016

約数和(自身を除く): 236160976

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 4621, 6448, 8060, 9242, 16120, 18484, 23105, 32240, 36968, 46210, 60073, 73936, 92420, 120146, 143251, 184840, 240292, 286502, 300365, 369680, 480584, 573004, 600730, 716255, 961168, 1146008, 1201460, 1432510, 1862263, 2292016, 2402920, 2865020, 3724526, 4805840, 5730040, 7449052, 9311315, 11460080, 14898104, 18622630, 29796208, 37245260, 74490520, 148981040]

約数ペア:

[(1, 148981040), (2, 74490520), (4, 37245260), (5, 29796208), (8, 18622630), (10, 14898104), (13, 11460080), (16, 9311315), (20, 7449052), (26, 5730040), (31, 4805840), (40, 3724526), (52, 2865020), (62, 2402920), (65, 2292016), (80, 1862263), (104, 1432510), (124, 1201460), (130, 1146008), (155, 961168), (208, 716255), (248, 600730), (260, 573004), (310, 480584), (403, 369680), (496, 300365), (520, 286502), (620, 240292), (806, 184840), (1040, 143251), (1240, 120146), (1612, 92420), (2015, 73936), (2480, 60073), (3224, 46210), (4030, 36968), (4621, 32240), (6448, 23105), (8060, 18484), (9242, 16120)]