280743525

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3863}}^1$

素因数の和:3915

約数の個数: 72

約数和(自身を含む): 560589120

約数和(自身を除く): 279845595

約数列:

[1, 3, 5, 9, 15, 17, 19, 25, 45, 51, 57, 75, 85, 95, 153, 171, 225, 255, 285, 323, 425, 475, 765, 855, 969, 1275, 1425, 1615, 2907, 3825, 3863, 4275, 4845, 8075, 11589, 14535, 19315, 24225, 34767, 57945, 65671, 72675, 73397, 96575, 173835, 197013, 220191, 289725, 328355, 366985, 591039, 660573, 869175, 985065, 1100955, 1247749, 1641775, 1834925, 2955195, 3302865, 3743247, 4925325, 5504775, 6238745, 11229741, 14775975, 16514325, 18716235, 31193725, 56148705, 93581175, 280743525]

約数ペア:

[(1, 280743525), (3, 93581175), (5, 56148705), (9, 31193725), (15, 18716235), (17, 16514325), (19, 14775975), (25, 11229741), (45, 6238745), (51, 5504775), (57, 4925325), (75, 3743247), (85, 3302865), (95, 2955195), (153, 1834925), (171, 1641775), (225, 1247749), (255, 1100955), (285, 985065), (323, 869175), (425, 660573), (475, 591039), (765, 366985), (855, 328355), (969, 289725), (1275, 220191), (1425, 197013), (1615, 173835), (2907, 96575), (3825, 73397), (3863, 72675), (4275, 65671), (4845, 57945), (8075, 34767), (11589, 24225), (14535, 19315)]