68477380

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:185

約数の個数: 72

約数和(自身を含む): 153880776

約数和(自身を除く): 85403396

約数列:

[1, 2, 4, 5, 10, 20, 37, 41, 61, 74, 82, 122, 148, 164, 185, 205, 244, 305, 370, 410, 610, 740, 820, 1220, 1369, 1517, 2257, 2501, 2738, 3034, 4514, 5002, 5476, 6068, 6845, 7585, 9028, 10004, 11285, 12505, 13690, 15170, 22570, 25010, 27380, 30340, 45140, 50020, 56129, 83509, 92537, 112258, 167018, 185074, 224516, 280645, 334036, 370148, 417545, 462685, 561290, 835090, 925370, 1122580, 1670180, 1850740, 3423869, 6847738, 13695476, 17119345, 34238690, 68477380]

約数ペア:

[(1, 68477380), (2, 34238690), (4, 17119345), (5, 13695476), (10, 6847738), (20, 3423869), (37, 1850740), (41, 1670180), (61, 1122580), (74, 925370), (82, 835090), (122, 561290), (148, 462685), (164, 417545), (185, 370148), (205, 334036), (244, 280645), (305, 224516), (370, 185074), (410, 167018), (610, 112258), (740, 92537), (820, 83509), (1220, 56129), (1369, 50020), (1517, 45140), (2257, 30340), (2501, 27380), (2738, 25010), (3034, 22570), (4514, 15170), (5002, 13690), (5476, 12505), (6068, 11285), (6845, 10004), (7585, 9028)]