24720975

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:337

約数の個数: 72

約数和(自身を含む): 49095072

約数和(自身を除く): 24374097

約数列:

[1, 3, 5, 9, 15, 17, 23, 25, 45, 51, 69, 75, 85, 115, 153, 207, 225, 255, 281, 345, 391, 425, 575, 765, 843, 1035, 1173, 1275, 1405, 1725, 1955, 2529, 3519, 3825, 4215, 4777, 5175, 5865, 6463, 7025, 9775, 12645, 14331, 17595, 19389, 21075, 23885, 29325, 32315, 42993, 58167, 63225, 71655, 87975, 96945, 109871, 119425, 161575, 214965, 290835, 329613, 358275, 484725, 549355, 988839, 1074825, 1454175, 1648065, 2746775, 4944195, 8240325, 24720975]

約数ペア:

[(1, 24720975), (3, 8240325), (5, 4944195), (9, 2746775), (15, 1648065), (17, 1454175), (23, 1074825), (25, 988839), (45, 549355), (51, 484725), (69, 358275), (75, 329613), (85, 290835), (115, 214965), (153, 161575), (207, 119425), (225, 109871), (255, 96945), (281, 87975), (345, 71655), (391, 63225), (425, 58167), (575, 42993), (765, 32315), (843, 29325), (1035, 23885), (1173, 21075), (1275, 19389), (1405, 17595), (1725, 14331), (1955, 12645), (2529, 9775), (3519, 7025), (3825, 6463), (4215, 5865), (4777, 5175)]