720987984

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{263519}}^1$

素因数の和:263552

約数の個数: 60

約数和(自身を含む): 2123971200

約数和(自身を除く): 1402983216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 114, 144, 152, 171, 228, 304, 342, 456, 684, 912, 1368, 2736, 263519, 527038, 790557, 1054076, 1581114, 2108152, 2371671, 3162228, 4216304, 4743342, 5006861, 6324456, 9486684, 10013722, 12648912, 15020583, 18973368, 20027444, 30041166, 37946736, 40054888, 45061749, 60082332, 80109776, 90123498, 120164664, 180246996, 240329328, 360493992, 720987984]

約数ペア:

[(1, 720987984), (2, 360493992), (3, 240329328), (4, 180246996), (6, 120164664), (8, 90123498), (9, 80109776), (12, 60082332), (16, 45061749), (18, 40054888), (19, 37946736), (24, 30041166), (36, 20027444), (38, 18973368), (48, 15020583), (57, 12648912), (72, 10013722), (76, 9486684), (114, 6324456), (144, 5006861), (152, 4743342), (171, 4216304), (228, 3162228), (304, 2371671), (342, 2108152), (456, 1581114), (684, 1054076), (912, 790557), (1368, 527038), (2736, 263519)]