147377720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16979}}^1$

素因数の和:17028

約数の個数: 64

約数和(自身を含む): 391219200

約数和(自身を除く): 243841480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 16979, 33958, 67916, 84895, 118853, 135832, 169790, 237706, 339580, 475412, 526349, 594265, 679160, 950824, 1052698, 1188530, 2105396, 2377060, 2631745, 3684443, 4210792, 4754120, 5263490, 7368886, 10526980, 14737772, 18422215, 21053960, 29475544, 36844430, 73688860, 147377720]

約数ペア:

[(1, 147377720), (2, 73688860), (4, 36844430), (5, 29475544), (7, 21053960), (8, 18422215), (10, 14737772), (14, 10526980), (20, 7368886), (28, 5263490), (31, 4754120), (35, 4210792), (40, 3684443), (56, 2631745), (62, 2377060), (70, 2105396), (124, 1188530), (140, 1052698), (155, 950824), (217, 679160), (248, 594265), (280, 526349), (310, 475412), (434, 339580), (620, 237706), (868, 169790), (1085, 135832), (1240, 118853), (1736, 84895), (2170, 67916), (4340, 33958), (8680, 16979)]