157140720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19841}}^1$

素因数の和:19871

約数の個数: 120

約数和(自身を含む): 575735472

約数和(自身を除く): 418594752

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 7920, 19841, 39682, 59523, 79364, 99205, 119046, 158728, 178569, 198410, 218251, 238092, 297615, 317456, 357138, 396820, 436502, 476184, 595230, 654753, 714276, 793640, 873004, 892845, 952368, 1091255, 1190460, 1309506, 1428552, 1587280, 1746008, 1785690, 1964259, 2182510, 2380920, 2619012, 2857104, 3273765, 3492016, 3571380, 3928518, 4365020, 4761840, 5238024, 6547530, 7142760, 7857036, 8730040, 9821295, 10476048, 13095060, 14285520, 15714072, 17460080, 19642590, 26190120, 31428144, 39285180, 52380240, 78570360, 157140720]

約数ペア:

[(1, 157140720), (2, 78570360), (3, 52380240), (4, 39285180), (5, 31428144), (6, 26190120), (8, 19642590), (9, 17460080), (10, 15714072), (11, 14285520), (12, 13095060), (15, 10476048), (16, 9821295), (18, 8730040), (20, 7857036), (22, 7142760), (24, 6547530), (30, 5238024), (33, 4761840), (36, 4365020), (40, 3928518), (44, 3571380), (45, 3492016), (48, 3273765), (55, 2857104), (60, 2619012), (66, 2380920), (72, 2182510), (80, 1964259), (88, 1785690), (90, 1746008), (99, 1587280), (110, 1428552), (120, 1309506), (132, 1190460), (144, 1091255), (165, 952368), (176, 892845), (180, 873004), (198, 793640), (220, 714276), (240, 654753), (264, 595230), (330, 476184), (360, 436502), (396, 396820), (440, 357138), (495, 317456), (528, 297615), (660, 238092), (720, 218251), (792, 198410), (880, 178569), (990, 158728), (1320, 119046), (1584, 99205), (1980, 79364), (2640, 59523), (3960, 39682), (7920, 19841)]