263485160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{4177}}^1$

素因数の和:4290

約数の個数: 64

約数和(自身を含む): 631713600

約数和(自身を除く): 368228440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 83, 95, 152, 166, 190, 332, 380, 415, 664, 760, 830, 1577, 1660, 3154, 3320, 4177, 6308, 7885, 8354, 12616, 15770, 16708, 20885, 31540, 33416, 41770, 63080, 79363, 83540, 158726, 167080, 317452, 346691, 396815, 634904, 693382, 793630, 1386764, 1587260, 1733455, 2773528, 3174520, 3466910, 6587129, 6933820, 13174258, 13867640, 26348516, 32935645, 52697032, 65871290, 131742580, 263485160]

約数ペア:

[(1, 263485160), (2, 131742580), (4, 65871290), (5, 52697032), (8, 32935645), (10, 26348516), (19, 13867640), (20, 13174258), (38, 6933820), (40, 6587129), (76, 3466910), (83, 3174520), (95, 2773528), (152, 1733455), (166, 1587260), (190, 1386764), (332, 793630), (380, 693382), (415, 634904), (664, 396815), (760, 346691), (830, 317452), (1577, 167080), (1660, 158726), (3154, 83540), (3320, 79363), (4177, 63080), (6308, 41770), (7885, 33416), (8354, 31540), (12616, 20885), (15770, 16708)]