661310848

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:304

約数の個数: 128

約数和(自身を含む): 1507968000

約数和(自身を除く): 846657152

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 88, 109, 124, 128, 139, 176, 218, 248, 278, 341, 352, 436, 496, 556, 682, 704, 872, 992, 1112, 1199, 1364, 1408, 1529, 1744, 1984, 2224, 2398, 2728, 3058, 3379, 3488, 3968, 4309, 4448, 4796, 5456, 6116, 6758, 6976, 8618, 8896, 9592, 10912, 12232, 13516, 13952, 15151, 17236, 17792, 19184, 21824, 24464, 27032, 30302, 34472, 37169, 38368, 43648, 47399, 48928, 54064, 60604, 68944, 74338, 76736, 94798, 97856, 108128, 121208, 137888, 148676, 153472, 166661, 189596, 195712, 216256, 242416, 275776, 297352, 333322, 379192, 432512, 469681, 484832, 551552, 594704, 666644, 758384, 939362, 969664, 1189408, 1333288, 1516768, 1878724, 1939328, 2378816, 2666576, 3033536, 3757448, 4757632, 5166491, 5333152, 6067072, 7514896, 10332982, 10666304, 15029792, 20665964, 21332608, 30059584, 41331928, 60119168, 82663856, 165327712, 330655424, 661310848]

約数ペア:

[(1, 661310848), (2, 330655424), (4, 165327712), (8, 82663856), (11, 60119168), (16, 41331928), (22, 30059584), (31, 21332608), (32, 20665964), (44, 15029792), (62, 10666304), (64, 10332982), (88, 7514896), (109, 6067072), (124, 5333152), (128, 5166491), (139, 4757632), (176, 3757448), (218, 3033536), (248, 2666576), (278, 2378816), (341, 1939328), (352, 1878724), (436, 1516768), (496, 1333288), (556, 1189408), (682, 969664), (704, 939362), (872, 758384), (992, 666644), (1112, 594704), (1199, 551552), (1364, 484832), (1408, 469681), (1529, 432512), (1744, 379192), (1984, 333322), (2224, 297352), (2398, 275776), (2728, 242416), (3058, 216256), (3379, 195712), (3488, 189596), (3968, 166661), (4309, 153472), (4448, 148676), (4796, 137888), (5456, 121208), (6116, 108128), (6758, 97856), (6976, 94798), (8618, 76736), (8896, 74338), (9592, 68944), (10912, 60604), (12232, 54064), (13516, 48928), (13952, 47399), (15151, 43648), (17236, 38368), (17792, 37169), (19184, 34472), (21824, 30302), (24464, 27032)]