303312680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{601}}^1$

素因数の和:691

約数の個数: 128

約数和(自身を含む): 790594560

約数和(自身を除く): 487281880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 37, 40, 44, 55, 62, 74, 88, 110, 124, 148, 155, 185, 220, 248, 296, 310, 341, 370, 407, 440, 601, 620, 682, 740, 814, 1147, 1202, 1240, 1364, 1480, 1628, 1705, 2035, 2294, 2404, 2728, 3005, 3256, 3410, 4070, 4588, 4808, 5735, 6010, 6611, 6820, 8140, 9176, 11470, 12020, 12617, 13222, 13640, 16280, 18631, 22237, 22940, 24040, 25234, 26444, 33055, 37262, 44474, 45880, 50468, 52888, 63085, 66110, 74524, 88948, 93155, 100936, 111185, 126170, 132220, 149048, 177896, 186310, 204941, 222370, 244607, 252340, 264440, 372620, 409882, 444740, 489214, 504680, 689347, 745240, 819764, 889480, 978428, 1024705, 1223035, 1378694, 1639528, 1956856, 2049410, 2446070, 2757388, 3446735, 4098820, 4892140, 5514776, 6893470, 7582817, 8197640, 9784280, 13786940, 15165634, 27573880, 30331268, 37914085, 60662536, 75828170, 151656340, 303312680]

約数ペア:

[(1, 303312680), (2, 151656340), (4, 75828170), (5, 60662536), (8, 37914085), (10, 30331268), (11, 27573880), (20, 15165634), (22, 13786940), (31, 9784280), (37, 8197640), (40, 7582817), (44, 6893470), (55, 5514776), (62, 4892140), (74, 4098820), (88, 3446735), (110, 2757388), (124, 2446070), (148, 2049410), (155, 1956856), (185, 1639528), (220, 1378694), (248, 1223035), (296, 1024705), (310, 978428), (341, 889480), (370, 819764), (407, 745240), (440, 689347), (601, 504680), (620, 489214), (682, 444740), (740, 409882), (814, 372620), (1147, 264440), (1202, 252340), (1240, 244607), (1364, 222370), (1480, 204941), (1628, 186310), (1705, 177896), (2035, 149048), (2294, 132220), (2404, 126170), (2728, 111185), (3005, 100936), (3256, 93155), (3410, 88948), (4070, 74524), (4588, 66110), (4808, 63085), (5735, 52888), (6010, 50468), (6611, 45880), (6820, 44474), (8140, 37262), (9176, 33055), (11470, 26444), (12020, 25234), (12617, 24040), (13222, 22940), (13640, 22237), (16280, 18631)]