90564640

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^3$

素因数の和:127

約数の個数: 96

約数和(自身を含む): 232727040

約数和(自身を除く): 142162400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 76, 80, 95, 124, 152, 155, 160, 190, 248, 304, 310, 380, 496, 589, 608, 620, 760, 961, 992, 1178, 1240, 1520, 1922, 2356, 2480, 2945, 3040, 3844, 4712, 4805, 4960, 5890, 7688, 9424, 9610, 11780, 15376, 18259, 18848, 19220, 23560, 29791, 30752, 36518, 38440, 47120, 59582, 73036, 76880, 91295, 94240, 119164, 146072, 148955, 153760, 182590, 238328, 292144, 297910, 365180, 476656, 566029, 584288, 595820, 730360, 953312, 1132058, 1191640, 1460720, 2264116, 2383280, 2830145, 2921440, 4528232, 4766560, 5660290, 9056464, 11320580, 18112928, 22641160, 45282320, 90564640]

約数ペア:

[(1, 90564640), (2, 45282320), (4, 22641160), (5, 18112928), (8, 11320580), (10, 9056464), (16, 5660290), (19, 4766560), (20, 4528232), (31, 2921440), (32, 2830145), (38, 2383280), (40, 2264116), (62, 1460720), (76, 1191640), (80, 1132058), (95, 953312), (124, 730360), (152, 595820), (155, 584288), (160, 566029), (190, 476656), (248, 365180), (304, 297910), (310, 292144), (380, 238328), (496, 182590), (589, 153760), (608, 148955), (620, 146072), (760, 119164), (961, 94240), (992, 91295), (1178, 76880), (1240, 73036), (1520, 59582), (1922, 47120), (2356, 38440), (2480, 36518), (2945, 30752), (3040, 29791), (3844, 23560), (4712, 19220), (4805, 18848), (4960, 18259), (5890, 15376), (7688, 11780), (9424, 9610)]