80228025

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{419}}^1$

素因数の和:495

約数の個数: 72

約数和(自身を含む): 154365120

約数和(自身を除く): 74137095

約数列:

[1, 3, 5, 9, 15, 23, 25, 37, 45, 69, 75, 111, 115, 185, 207, 225, 333, 345, 419, 555, 575, 851, 925, 1035, 1257, 1665, 1725, 2095, 2553, 2775, 3771, 4255, 5175, 6285, 7659, 8325, 9637, 10475, 12765, 15503, 18855, 21275, 28911, 31425, 38295, 46509, 48185, 63825, 77515, 86733, 94275, 139527, 144555, 191475, 232545, 240925, 356569, 387575, 433665, 697635, 722775, 1069707, 1162725, 1782845, 2168325, 3209121, 3488175, 5348535, 8914225, 16045605, 26742675, 80228025]

約数ペア:

[(1, 80228025), (3, 26742675), (5, 16045605), (9, 8914225), (15, 5348535), (23, 3488175), (25, 3209121), (37, 2168325), (45, 1782845), (69, 1162725), (75, 1069707), (111, 722775), (115, 697635), (185, 433665), (207, 387575), (225, 356569), (333, 240925), (345, 232545), (419, 191475), (555, 144555), (575, 139527), (851, 94275), (925, 86733), (1035, 77515), (1257, 63825), (1665, 48185), (1725, 46509), (2095, 38295), (2553, 31425), (2775, 28911), (3771, 21275), (4255, 18855), (5175, 15503), (6285, 12765), (7659, 10475), (8325, 9637)]