2020080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:478

約数の個数: 80

約数和(自身を含む): 6606720

約数和(自身を除く): 4586640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 443, 456, 570, 760, 886, 912, 1140, 1329, 1520, 1772, 2215, 2280, 2658, 3544, 4430, 4560, 5316, 6645, 7088, 8417, 8860, 10632, 13290, 16834, 17720, 21264, 25251, 26580, 33668, 35440, 42085, 50502, 53160, 67336, 84170, 101004, 106320, 126255, 134672, 168340, 202008, 252510, 336680, 404016, 505020, 673360, 1010040, 2020080]

約数ペア:

[(1, 2020080), (2, 1010040), (3, 673360), (4, 505020), (5, 404016), (6, 336680), (8, 252510), (10, 202008), (12, 168340), (15, 134672), (16, 126255), (19, 106320), (20, 101004), (24, 84170), (30, 67336), (38, 53160), (40, 50502), (48, 42085), (57, 35440), (60, 33668), (76, 26580), (80, 25251), (95, 21264), (114, 17720), (120, 16834), (152, 13290), (190, 10632), (228, 8860), (240, 8417), (285, 7088), (304, 6645), (380, 5316), (443, 4560), (456, 4430), (570, 3544), (760, 2658), (886, 2280), (912, 2215), (1140, 1772), (1329, 1520)]