405985320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{6673}}^1$

素因数の和:6716

約数の個数: 144

約数和(自身を含む): 1428970140

約数和(自身を除く): 1022984820

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 169, 180, 195, 234, 260, 312, 338, 360, 390, 468, 507, 520, 585, 676, 780, 845, 936, 1014, 1170, 1352, 1521, 1560, 1690, 2028, 2340, 2535, 3042, 3380, 4056, 4680, 5070, 6084, 6673, 6760, 7605, 10140, 12168, 13346, 15210, 20019, 20280, 26692, 30420, 33365, 40038, 53384, 60057, 60840, 66730, 80076, 86749, 100095, 120114, 133460, 160152, 173498, 200190, 240228, 260247, 266920, 300285, 346996, 400380, 433745, 480456, 520494, 600570, 693992, 780741, 800760, 867490, 1040988, 1127737, 1201140, 1301235, 1561482, 1734980, 2081976, 2255474, 2402280, 2602470, 3122964, 3383211, 3469960, 3903705, 4510948, 5204940, 5638685, 6245928, 6766422, 7807410, 9021896, 10149633, 10409880, 11277370, 13532844, 15614820, 16916055, 20299266, 22554740, 27065688, 31229640, 33832110, 40598532, 45109480, 50748165, 67664220, 81197064, 101496330, 135328440, 202992660, 405985320]

約数ペア:

[(1, 405985320), (2, 202992660), (3, 135328440), (4, 101496330), (5, 81197064), (6, 67664220), (8, 50748165), (9, 45109480), (10, 40598532), (12, 33832110), (13, 31229640), (15, 27065688), (18, 22554740), (20, 20299266), (24, 16916055), (26, 15614820), (30, 13532844), (36, 11277370), (39, 10409880), (40, 10149633), (45, 9021896), (52, 7807410), (60, 6766422), (65, 6245928), (72, 5638685), (78, 5204940), (90, 4510948), (104, 3903705), (117, 3469960), (120, 3383211), (130, 3122964), (156, 2602470), (169, 2402280), (180, 2255474), (195, 2081976), (234, 1734980), (260, 1561482), (312, 1301235), (338, 1201140), (360, 1127737), (390, 1040988), (468, 867490), (507, 800760), (520, 780741), (585, 693992), (676, 600570), (780, 520494), (845, 480456), (936, 433745), (1014, 400380), (1170, 346996), (1352, 300285), (1521, 266920), (1560, 260247), (1690, 240228), (2028, 200190), (2340, 173498), (2535, 160152), (3042, 133460), (3380, 120114), (4056, 100095), (4680, 86749), (5070, 80076), (6084, 66730), (6673, 60840), (6760, 60057), (7605, 53384), (10140, 40038), (12168, 33365), (13346, 30420), (15210, 26692), (20019, 20280)]