144628640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2243}}^1$

素因数の和:2302

約数の個数: 96

約数和(自身を含む): 380007936

約数和(自身を除く): 235379296

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 403, 416, 496, 520, 620, 806, 992, 1040, 1240, 1612, 2015, 2080, 2243, 2480, 3224, 4030, 4486, 4960, 6448, 8060, 8972, 11215, 12896, 16120, 17944, 22430, 29159, 32240, 35888, 44860, 58318, 64480, 69533, 71776, 89720, 116636, 139066, 145795, 179440, 233272, 278132, 291590, 347665, 358880, 466544, 556264, 583180, 695330, 903929, 933088, 1112528, 1166360, 1390660, 1807858, 2225056, 2332720, 2781320, 3615716, 4519645, 4665440, 5562640, 7231432, 9039290, 11125280, 14462864, 18078580, 28925728, 36157160, 72314320, 144628640]

約数ペア:

[(1, 144628640), (2, 72314320), (4, 36157160), (5, 28925728), (8, 18078580), (10, 14462864), (13, 11125280), (16, 9039290), (20, 7231432), (26, 5562640), (31, 4665440), (32, 4519645), (40, 3615716), (52, 2781320), (62, 2332720), (65, 2225056), (80, 1807858), (104, 1390660), (124, 1166360), (130, 1112528), (155, 933088), (160, 903929), (208, 695330), (248, 583180), (260, 556264), (310, 466544), (403, 358880), (416, 347665), (496, 291590), (520, 278132), (620, 233272), (806, 179440), (992, 145795), (1040, 139066), (1240, 116636), (1612, 89720), (2015, 71776), (2080, 69533), (2243, 64480), (2480, 58318), (3224, 44860), (4030, 35888), (4486, 32240), (4960, 29159), (6448, 22430), (8060, 17944), (8972, 16120), (11215, 12896)]