204215580

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3407}}^1$

素因数の和:3465

約数の個数: 120

約数和(自身を含む): 658139328

約数和(自身を除く): 453923748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 81, 90, 108, 111, 135, 148, 162, 180, 185, 222, 270, 324, 333, 370, 405, 444, 540, 555, 666, 740, 810, 999, 1110, 1332, 1620, 1665, 1998, 2220, 2997, 3330, 3407, 3996, 4995, 5994, 6660, 6814, 9990, 10221, 11988, 13628, 14985, 17035, 19980, 20442, 29970, 30663, 34070, 40884, 51105, 59940, 61326, 68140, 91989, 102210, 122652, 126059, 153315, 183978, 204420, 252118, 275967, 306630, 367956, 378177, 459945, 504236, 551934, 613260, 630295, 756354, 919890, 1103868, 1134531, 1260590, 1379835, 1512708, 1839780, 1890885, 2269062, 2521180, 2759670, 3403593, 3781770, 4538124, 5519340, 5672655, 6807186, 7563540, 10210779, 11345310, 13614372, 17017965, 20421558, 22690620, 34035930, 40843116, 51053895, 68071860, 102107790, 204215580]

約数ペア:

[(1, 204215580), (2, 102107790), (3, 68071860), (4, 51053895), (5, 40843116), (6, 34035930), (9, 22690620), (10, 20421558), (12, 17017965), (15, 13614372), (18, 11345310), (20, 10210779), (27, 7563540), (30, 6807186), (36, 5672655), (37, 5519340), (45, 4538124), (54, 3781770), (60, 3403593), (74, 2759670), (81, 2521180), (90, 2269062), (108, 1890885), (111, 1839780), (135, 1512708), (148, 1379835), (162, 1260590), (180, 1134531), (185, 1103868), (222, 919890), (270, 756354), (324, 630295), (333, 613260), (370, 551934), (405, 504236), (444, 459945), (540, 378177), (555, 367956), (666, 306630), (740, 275967), (810, 252118), (999, 204420), (1110, 183978), (1332, 153315), (1620, 126059), (1665, 122652), (1998, 102210), (2220, 91989), (2997, 68140), (3330, 61326), (3407, 59940), (3996, 51105), (4995, 40884), (5994, 34070), (6660, 30663), (6814, 29970), (9990, 20442), (10221, 19980), (11988, 17035), (13628, 14985)]