290563740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{8821}}^1$

素因数の和:8900

約数の個数: 96

約数和(自身を含む): 918899520

約数和(自身を除く): 628335780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 90, 108, 122, 135, 180, 183, 244, 270, 305, 366, 540, 549, 610, 732, 915, 1098, 1220, 1647, 1830, 2196, 2745, 3294, 3660, 5490, 6588, 8235, 8821, 10980, 16470, 17642, 26463, 32940, 35284, 44105, 52926, 79389, 88210, 105852, 132315, 158778, 176420, 238167, 264630, 317556, 396945, 476334, 529260, 538081, 793890, 952668, 1076162, 1190835, 1587780, 1614243, 2152324, 2381670, 2690405, 3228486, 4763340, 4842729, 5380810, 6456972, 8071215, 9685458, 10761620, 14528187, 16142430, 19370916, 24213645, 29056374, 32284860, 48427290, 58112748, 72640935, 96854580, 145281870, 290563740]

約数ペア:

[(1, 290563740), (2, 145281870), (3, 96854580), (4, 72640935), (5, 58112748), (6, 48427290), (9, 32284860), (10, 29056374), (12, 24213645), (15, 19370916), (18, 16142430), (20, 14528187), (27, 10761620), (30, 9685458), (36, 8071215), (45, 6456972), (54, 5380810), (60, 4842729), (61, 4763340), (90, 3228486), (108, 2690405), (122, 2381670), (135, 2152324), (180, 1614243), (183, 1587780), (244, 1190835), (270, 1076162), (305, 952668), (366, 793890), (540, 538081), (549, 529260), (610, 476334), (732, 396945), (915, 317556), (1098, 264630), (1220, 238167), (1647, 176420), (1830, 158778), (2196, 132315), (2745, 105852), (3294, 88210), (3660, 79389), (5490, 52926), (6588, 44105), (8235, 35284), (8821, 32940), (10980, 26463), (16470, 17642)]