639777360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{72047}}^1$

素因数の和:72100

約数の個数: 80

約数和(自身を含む): 2036941056

約数和(自身を除く): 1397163696

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2220, 2960, 4440, 8880, 72047, 144094, 216141, 288188, 360235, 432282, 576376, 720470, 864564, 1080705, 1152752, 1440940, 1729128, 2161410, 2665739, 2881880, 3458256, 4322820, 5331478, 5763760, 7997217, 8645640, 10662956, 13328695, 15994434, 17291280, 21325912, 26657390, 31988868, 39986085, 42651824, 53314780, 63977736, 79972170, 106629560, 127955472, 159944340, 213259120, 319888680, 639777360]

約数ペア:

[(1, 639777360), (2, 319888680), (3, 213259120), (4, 159944340), (5, 127955472), (6, 106629560), (8, 79972170), (10, 63977736), (12, 53314780), (15, 42651824), (16, 39986085), (20, 31988868), (24, 26657390), (30, 21325912), (37, 17291280), (40, 15994434), (48, 13328695), (60, 10662956), (74, 8645640), (80, 7997217), (111, 5763760), (120, 5331478), (148, 4322820), (185, 3458256), (222, 2881880), (240, 2665739), (296, 2161410), (370, 1729128), (444, 1440940), (555, 1152752), (592, 1080705), (740, 864564), (888, 720470), (1110, 576376), (1480, 432282), (1776, 360235), (2220, 288188), (2960, 216141), (4440, 144094), (8880, 72047)]