13251420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{809}}^1$

素因数の和:844

約数の個数: 144

約数和(自身を含む): 49533120

約数和(自身を除く): 36281700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 809, 819, 910, 1092, 1170, 1260, 1365, 1618, 1638, 1820, 2340, 2427, 2730, 3236, 3276, 4045, 4095, 4854, 5460, 5663, 7281, 8090, 8190, 9708, 10517, 11326, 12135, 14562, 16180, 16380, 16989, 21034, 22652, 24270, 28315, 29124, 31551, 33978, 36405, 42068, 48540, 50967, 52585, 56630, 63102, 67956, 72810, 73619, 84945, 94653, 101934, 105170, 113260, 126204, 145620, 147238, 157755, 169890, 189306, 203868, 210340, 220857, 254835, 294476, 315510, 339780, 368095, 378612, 441714, 473265, 509670, 631020, 662571, 736190, 883428, 946530, 1019340, 1104285, 1325142, 1472380, 1893060, 2208570, 2650284, 3312855, 4417140, 6625710, 13251420]

約数ペア:

[(1, 13251420), (2, 6625710), (3, 4417140), (4, 3312855), (5, 2650284), (6, 2208570), (7, 1893060), (9, 1472380), (10, 1325142), (12, 1104285), (13, 1019340), (14, 946530), (15, 883428), (18, 736190), (20, 662571), (21, 631020), (26, 509670), (28, 473265), (30, 441714), (35, 378612), (36, 368095), (39, 339780), (42, 315510), (45, 294476), (52, 254835), (60, 220857), (63, 210340), (65, 203868), (70, 189306), (78, 169890), (84, 157755), (90, 147238), (91, 145620), (105, 126204), (117, 113260), (126, 105170), (130, 101934), (140, 94653), (156, 84945), (180, 73619), (182, 72810), (195, 67956), (210, 63102), (234, 56630), (252, 52585), (260, 50967), (273, 48540), (315, 42068), (364, 36405), (390, 33978), (420, 31551), (455, 29124), (468, 28315), (546, 24270), (585, 22652), (630, 21034), (780, 16989), (809, 16380), (819, 16180), (910, 14562), (1092, 12135), (1170, 11326), (1260, 10517), (1365, 9708), (1618, 8190), (1638, 8090), (1820, 7281), (2340, 5663), (2427, 5460), (2730, 4854), (3236, 4095), (3276, 4045)]