64981125

素因数分解:

$3^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:180

約数の個数: 96

約数和(自身を含む): 131414400

約数和(自身を除く): 66433275

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 59, 75, 89, 99, 125, 165, 177, 225, 267, 275, 295, 375, 445, 495, 531, 649, 801, 825, 885, 979, 1125, 1335, 1375, 1475, 1947, 2225, 2475, 2655, 2937, 3245, 4005, 4125, 4425, 4895, 5251, 5841, 6675, 7375, 8811, 9735, 11125, 12375, 13275, 14685, 15753, 16225, 20025, 22125, 24475, 26255, 29205, 33375, 44055, 47259, 48675, 57761, 66375, 73425, 78765, 81125, 100125, 122375, 131275, 146025, 173283, 220275, 236295, 243375, 288805, 367125, 393825, 519849, 656375, 730125, 866415, 1101375, 1181475, 1444025, 1969125, 2599245, 4332075, 5907375, 7220125, 12996225, 21660375, 64981125]

約数ペア:

[(1, 64981125), (3, 21660375), (5, 12996225), (9, 7220125), (11, 5907375), (15, 4332075), (25, 2599245), (33, 1969125), (45, 1444025), (55, 1181475), (59, 1101375), (75, 866415), (89, 730125), (99, 656375), (125, 519849), (165, 393825), (177, 367125), (225, 288805), (267, 243375), (275, 236295), (295, 220275), (375, 173283), (445, 146025), (495, 131275), (531, 122375), (649, 100125), (801, 81125), (825, 78765), (885, 73425), (979, 66375), (1125, 57761), (1335, 48675), (1375, 47259), (1475, 44055), (1947, 33375), (2225, 29205), (2475, 26255), (2655, 24475), (2937, 22125), (3245, 20025), (4005, 16225), (4125, 15753), (4425, 14685), (4895, 13275), (5251, 12375), (5841, 11125), (6675, 9735), (7375, 8811)]