1640674920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{3407}}^1\times {\mathrm{4013}}^1$

素因数の和:7434

約数の個数: 64

約数和(自身を含む): 4924696320

約数和(自身を除く): 3284021400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 3407, 4013, 6814, 8026, 10221, 12039, 13628, 16052, 17035, 20065, 20442, 24078, 27256, 32104, 34070, 40130, 40884, 48156, 51105, 60195, 68140, 80260, 81768, 96312, 102210, 120390, 136280, 160520, 204420, 240780, 408840, 481560, 13672291, 27344582, 41016873, 54689164, 68361455, 82033746, 109378328, 136722910, 164067492, 205084365, 273445820, 328134984, 410168730, 546891640, 820337460, 1640674920]

約数ペア:

[(1, 1640674920), (2, 820337460), (3, 546891640), (4, 410168730), (5, 328134984), (6, 273445820), (8, 205084365), (10, 164067492), (12, 136722910), (15, 109378328), (20, 82033746), (24, 68361455), (30, 54689164), (40, 41016873), (60, 27344582), (120, 13672291), (3407, 481560), (4013, 408840), (6814, 240780), (8026, 204420), (10221, 160520), (12039, 136280), (13628, 120390), (16052, 102210), (17035, 96312), (20065, 81768), (20442, 80260), (24078, 68140), (27256, 60195), (32104, 51105), (34070, 48156), (40130, 40884)]