278591760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3989}}^1$

素因数の和:4105

約数の個数: 120

約数和(自身を含む): 945486360

約数和(自身を除く): 666894600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 97, 120, 144, 180, 194, 240, 291, 360, 388, 485, 582, 720, 776, 873, 970, 1164, 1455, 1552, 1746, 1940, 2328, 2910, 3492, 3880, 3989, 4365, 4656, 5820, 6984, 7760, 7978, 8730, 11640, 11967, 13968, 15956, 17460, 19945, 23280, 23934, 31912, 34920, 35901, 39890, 47868, 59835, 63824, 69840, 71802, 79780, 95736, 119670, 143604, 159560, 179505, 191472, 239340, 287208, 319120, 359010, 386933, 478680, 574416, 718020, 773866, 957360, 1160799, 1436040, 1547732, 1934665, 2321598, 2872080, 3095464, 3482397, 3869330, 4643196, 5803995, 6190928, 6964794, 7738660, 9286392, 11607990, 13929588, 15477320, 17411985, 18572784, 23215980, 27859176, 30954640, 34823970, 46431960, 55718352, 69647940, 92863920, 139295880, 278591760]

約数ペア:

[(1, 278591760), (2, 139295880), (3, 92863920), (4, 69647940), (5, 55718352), (6, 46431960), (8, 34823970), (9, 30954640), (10, 27859176), (12, 23215980), (15, 18572784), (16, 17411985), (18, 15477320), (20, 13929588), (24, 11607990), (30, 9286392), (36, 7738660), (40, 6964794), (45, 6190928), (48, 5803995), (60, 4643196), (72, 3869330), (80, 3482397), (90, 3095464), (97, 2872080), (120, 2321598), (144, 1934665), (180, 1547732), (194, 1436040), (240, 1160799), (291, 957360), (360, 773866), (388, 718020), (485, 574416), (582, 478680), (720, 386933), (776, 359010), (873, 319120), (970, 287208), (1164, 239340), (1455, 191472), (1552, 179505), (1746, 159560), (1940, 143604), (2328, 119670), (2910, 95736), (3492, 79780), (3880, 71802), (3989, 69840), (4365, 63824), (4656, 59835), (5820, 47868), (6984, 39890), (7760, 35901), (7978, 34920), (8730, 31912), (11640, 23934), (11967, 23280), (13968, 19945), (15956, 17460)]