148772720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{251}}^1$

素因数の和:534

約数の個数: 80

約数和(自身を含む): 359976960

約数和(自身を除く): 211204240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 239, 248, 251, 310, 478, 496, 502, 620, 956, 1004, 1195, 1240, 1255, 1912, 2008, 2390, 2480, 2510, 3824, 4016, 4780, 5020, 7409, 7781, 9560, 10040, 14818, 15562, 19120, 20080, 29636, 31124, 37045, 38905, 59272, 59989, 62248, 74090, 77810, 118544, 119978, 124496, 148180, 155620, 239956, 296360, 299945, 311240, 479912, 592720, 599890, 622480, 959824, 1199780, 1859659, 2399560, 3719318, 4799120, 7438636, 9298295, 14877272, 18596590, 29754544, 37193180, 74386360, 148772720]

約数ペア:

[(1, 148772720), (2, 74386360), (4, 37193180), (5, 29754544), (8, 18596590), (10, 14877272), (16, 9298295), (20, 7438636), (31, 4799120), (40, 3719318), (62, 2399560), (80, 1859659), (124, 1199780), (155, 959824), (239, 622480), (248, 599890), (251, 592720), (310, 479912), (478, 311240), (496, 299945), (502, 296360), (620, 239956), (956, 155620), (1004, 148180), (1195, 124496), (1240, 119978), (1255, 118544), (1912, 77810), (2008, 74090), (2390, 62248), (2480, 59989), (2510, 59272), (3824, 38905), (4016, 37045), (4780, 31124), (5020, 29636), (7409, 20080), (7781, 19120), (9560, 15562), (10040, 14818)]