401312160

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{278689}}^1$

素因数の和:278710

約数の個数: 72

約数和(自身を含む): 1369482660

約数和(自身を除く): 968170500

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 278689, 557378, 836067, 1114756, 1393445, 1672134, 2229512, 2508201, 2786890, 3344268, 4180335, 4459024, 5016402, 5573780, 6688536, 8360670, 8918048, 10032804, 11147560, 12541005, 13377072, 16721340, 20065608, 22295120, 25082010, 26754144, 33442680, 40131216, 44590240, 50164020, 66885360, 80262432, 100328040, 133770720, 200656080, 401312160]

約数ペア:

[(1, 401312160), (2, 200656080), (3, 133770720), (4, 100328040), (5, 80262432), (6, 66885360), (8, 50164020), (9, 44590240), (10, 40131216), (12, 33442680), (15, 26754144), (16, 25082010), (18, 22295120), (20, 20065608), (24, 16721340), (30, 13377072), (32, 12541005), (36, 11147560), (40, 10032804), (45, 8918048), (48, 8360670), (60, 6688536), (72, 5573780), (80, 5016402), (90, 4459024), (96, 4180335), (120, 3344268), (144, 2786890), (160, 2508201), (180, 2229512), (240, 1672134), (288, 1393445), (360, 1114756), (480, 836067), (720, 557378), (1440, 278689)]