281799180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{120427}}^1$

素因数の和:120455

約数の個数: 72

約数和(自身を含む): 920551632

約数和(自身を除く): 638752452

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 120427, 240854, 361281, 481708, 602135, 722562, 1083843, 1204270, 1445124, 1565551, 1806405, 2167686, 2408540, 3131102, 3612810, 4335372, 4696653, 5419215, 6262204, 7225620, 7827755, 9393306, 10838430, 14089959, 15655510, 18786612, 21676860, 23483265, 28179918, 31311020, 46966530, 56359836, 70449795, 93933060, 140899590, 281799180]

約数ペア:

[(1, 281799180), (2, 140899590), (3, 93933060), (4, 70449795), (5, 56359836), (6, 46966530), (9, 31311020), (10, 28179918), (12, 23483265), (13, 21676860), (15, 18786612), (18, 15655510), (20, 14089959), (26, 10838430), (30, 9393306), (36, 7827755), (39, 7225620), (45, 6262204), (52, 5419215), (60, 4696653), (65, 4335372), (78, 3612810), (90, 3131102), (117, 2408540), (130, 2167686), (156, 1806405), (180, 1565551), (195, 1445124), (234, 1204270), (260, 1083843), (390, 722562), (468, 602135), (585, 481708), (780, 361281), (1170, 240854), (2340, 120427)]