129780260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:561

約数の個数: 96

約数和(自身を含む): 309657600

約数和(自身を除く): 179877340

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 31, 38, 46, 62, 76, 92, 95, 115, 124, 155, 190, 230, 310, 380, 437, 460, 479, 589, 620, 713, 874, 958, 1178, 1426, 1748, 1916, 2185, 2356, 2395, 2852, 2945, 3565, 4370, 4790, 5890, 7130, 8740, 9101, 9580, 11017, 11780, 13547, 14260, 14849, 18202, 22034, 27094, 29698, 36404, 44068, 45505, 54188, 55085, 59396, 67735, 74245, 91010, 110170, 135470, 148490, 182020, 209323, 220340, 270940, 282131, 296980, 341527, 418646, 564262, 683054, 837292, 1046615, 1128524, 1366108, 1410655, 1707635, 2093230, 2821310, 3415270, 4186460, 5642620, 6489013, 6830540, 12978026, 25956052, 32445065, 64890130, 129780260]

約数ペア:

[(1, 129780260), (2, 64890130), (4, 32445065), (5, 25956052), (10, 12978026), (19, 6830540), (20, 6489013), (23, 5642620), (31, 4186460), (38, 3415270), (46, 2821310), (62, 2093230), (76, 1707635), (92, 1410655), (95, 1366108), (115, 1128524), (124, 1046615), (155, 837292), (190, 683054), (230, 564262), (310, 418646), (380, 341527), (437, 296980), (460, 282131), (479, 270940), (589, 220340), (620, 209323), (713, 182020), (874, 148490), (958, 135470), (1178, 110170), (1426, 91010), (1748, 74245), (1916, 67735), (2185, 59396), (2356, 55085), (2395, 54188), (2852, 45505), (2945, 44068), (3565, 36404), (4370, 29698), (4790, 27094), (5890, 22034), (7130, 18202), (8740, 14849), (9101, 14260), (9580, 13547), (11017, 11780)]