169486533640

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1\times {\mathrm{127399}}^1$

素因数の和:127910

約数の個数: 64

約数和(自身を含む): 387092160000

約数和(自身を除く): 217605626360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 421, 632, 790, 842, 1580, 1684, 2105, 3160, 3368, 4210, 8420, 16840, 33259, 66518, 127399, 133036, 166295, 254798, 266072, 332590, 509596, 636995, 665180, 1019192, 1273990, 1330360, 2547980, 5095960, 10064521, 20129042, 40258084, 50322605, 53634979, 80516168, 100645210, 107269958, 201290420, 214539916, 268174895, 402580840, 429079832, 536349790, 1072699580, 2145399160, 4237163341, 8474326682, 16948653364, 21185816705, 33897306728, 42371633410, 84743266820, 169486533640]

約数ペア:

[(1, 169486533640), (2, 84743266820), (4, 42371633410), (5, 33897306728), (8, 21185816705), (10, 16948653364), (20, 8474326682), (40, 4237163341), (79, 2145399160), (158, 1072699580), (316, 536349790), (395, 429079832), (421, 402580840), (632, 268174895), (790, 214539916), (842, 201290420), (1580, 107269958), (1684, 100645210), (2105, 80516168), (3160, 53634979), (3368, 50322605), (4210, 40258084), (8420, 20129042), (16840, 10064521), (33259, 5095960), (66518, 2547980), (127399, 1330360), (133036, 1273990), (166295, 1019192), (254798, 665180), (266072, 636995), (332590, 509596)]