128520980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{577}}^1$

素因数の和:673

約数の個数: 96

約数和(自身を含む): 324715776

約数和(自身を除く): 196194796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 43, 70, 74, 86, 140, 148, 172, 185, 215, 259, 301, 370, 430, 518, 577, 602, 740, 860, 1036, 1154, 1204, 1295, 1505, 1591, 2308, 2590, 2885, 3010, 3182, 4039, 5180, 5770, 6020, 6364, 7955, 8078, 11137, 11540, 15910, 16156, 20195, 21349, 22274, 24811, 31820, 40390, 42698, 44548, 49622, 55685, 80780, 85396, 99244, 106745, 111370, 124055, 149443, 173677, 213490, 222740, 248110, 298886, 347354, 426980, 496220, 597772, 694708, 747215, 868385, 918007, 1494430, 1736770, 1836014, 2988860, 3473540, 3672028, 4590035, 6426049, 9180070, 12852098, 18360140, 25704196, 32130245, 64260490, 128520980]

約数ペア:

[(1, 128520980), (2, 64260490), (4, 32130245), (5, 25704196), (7, 18360140), (10, 12852098), (14, 9180070), (20, 6426049), (28, 4590035), (35, 3672028), (37, 3473540), (43, 2988860), (70, 1836014), (74, 1736770), (86, 1494430), (140, 918007), (148, 868385), (172, 747215), (185, 694708), (215, 597772), (259, 496220), (301, 426980), (370, 347354), (430, 298886), (518, 248110), (577, 222740), (602, 213490), (740, 173677), (860, 149443), (1036, 124055), (1154, 111370), (1204, 106745), (1295, 99244), (1505, 85396), (1591, 80780), (2308, 55685), (2590, 49622), (2885, 44548), (3010, 42698), (3182, 40390), (4039, 31820), (5180, 24811), (5770, 22274), (6020, 21349), (6364, 20195), (7955, 16156), (8078, 15910), (11137, 11540)]