389353970640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{1228091}}^1$

素因数の和:1229428

約数の個数: 80

約数和(自身を含む): 1207911992256

約数和(自身を除く): 818558021616

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1321, 2642, 3963, 5284, 6605, 7926, 10568, 13210, 15852, 19815, 21136, 26420, 31704, 39630, 52840, 63408, 79260, 105680, 158520, 317040, 1228091, 2456182, 3684273, 4912364, 6140455, 7368546, 9824728, 12280910, 14737092, 18421365, 19649456, 24561820, 29474184, 36842730, 49123640, 58948368, 73685460, 98247280, 147370920, 294741840, 1622308211, 3244616422, 4866924633, 6489232844, 8111541055, 9733849266, 12978465688, 16223082110, 19467698532, 24334623165, 25956931376, 32446164220, 38935397064, 48669246330, 64892328440, 77870794128, 97338492660, 129784656880, 194676985320, 389353970640]

約数ペア:

[(1, 389353970640), (2, 194676985320), (3, 129784656880), (4, 97338492660), (5, 77870794128), (6, 64892328440), (8, 48669246330), (10, 38935397064), (12, 32446164220), (15, 25956931376), (16, 24334623165), (20, 19467698532), (24, 16223082110), (30, 12978465688), (40, 9733849266), (48, 8111541055), (60, 6489232844), (80, 4866924633), (120, 3244616422), (240, 1622308211), (1321, 294741840), (2642, 147370920), (3963, 98247280), (5284, 73685460), (6605, 58948368), (7926, 49123640), (10568, 36842730), (13210, 29474184), (15852, 24561820), (19815, 19649456), (21136, 18421365), (26420, 14737092), (31704, 12280910), (39630, 9824728), (52840, 7368546), (63408, 6140455), (79260, 4912364), (105680, 3684273), (158520, 2456182), (317040, 1228091)]