660679424

素因数分解:

$2^8\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{223}}^1$

素因数の和:473

約数の個数: 72

約数和(自身を含む): 1351590912

約数和(自身を除く): 690911488

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 163, 223, 256, 284, 326, 446, 568, 652, 892, 1136, 1304, 1784, 2272, 2608, 3568, 4544, 5216, 7136, 9088, 10432, 11573, 14272, 15833, 18176, 20864, 23146, 28544, 31666, 36349, 41728, 46292, 57088, 63332, 72698, 92584, 126664, 145396, 185168, 253328, 290792, 370336, 506656, 581584, 740672, 1013312, 1163168, 1481344, 2026624, 2326336, 2580779, 2962688, 4053248, 4652672, 5161558, 9305344, 10323116, 20646232, 41292464, 82584928, 165169856, 330339712, 660679424]

約数ペア:

[(1, 660679424), (2, 330339712), (4, 165169856), (8, 82584928), (16, 41292464), (32, 20646232), (64, 10323116), (71, 9305344), (128, 5161558), (142, 4652672), (163, 4053248), (223, 2962688), (256, 2580779), (284, 2326336), (326, 2026624), (446, 1481344), (568, 1163168), (652, 1013312), (892, 740672), (1136, 581584), (1304, 506656), (1784, 370336), (2272, 290792), (2608, 253328), (3568, 185168), (4544, 145396), (5216, 126664), (7136, 92584), (9088, 72698), (10432, 63332), (11573, 57088), (14272, 46292), (15833, 41728), (18176, 36349), (20864, 31666), (23146, 28544)]