68515920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:282

約数の個数: 240

約数和(自身を含む): 258358464

約数和(自身を除く): 189842544

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 41, 44, 45, 48, 55, 60, 66, 72, 80, 82, 88, 90, 99, 110, 120, 123, 132, 144, 164, 165, 176, 180, 198, 205, 211, 220, 240, 246, 264, 328, 330, 360, 369, 396, 410, 422, 440, 451, 492, 495, 528, 615, 633, 656, 660, 720, 738, 792, 820, 844, 880, 902, 984, 990, 1055, 1230, 1266, 1320, 1353, 1476, 1584, 1640, 1688, 1804, 1845, 1899, 1968, 1980, 2110, 2255, 2321, 2460, 2532, 2640, 2706, 2952, 3165, 3280, 3376, 3608, 3690, 3798, 3960, 4059, 4220, 4510, 4642, 4920, 5064, 5412, 5904, 6330, 6765, 6963, 7216, 7380, 7596, 7920, 8118, 8440, 8651, 9020, 9284, 9495, 9840, 10128, 10824, 11605, 12660, 13530, 13926, 14760, 15192, 16236, 16880, 17302, 18040, 18568, 18990, 20295, 20889, 21648, 23210, 25320, 25953, 27060, 27852, 29520, 30384, 32472, 34604, 34815, 36080, 37136, 37980, 40590, 41778, 43255, 46420, 50640, 51906, 54120, 55704, 64944, 69208, 69630, 75960, 77859, 81180, 83556, 86510, 92840, 95161, 103812, 104445, 108240, 111408, 129765, 138416, 139260, 151920, 155718, 162360, 167112, 173020, 185680, 190322, 207624, 208890, 259530, 278520, 285483, 311436, 324720, 334224, 346040, 380644, 389295, 415248, 417780, 475805, 519060, 557040, 570966, 622872, 692080, 761288, 778590, 835560, 856449, 951610, 1038120, 1141932, 1245744, 1427415, 1522576, 1557180, 1671120, 1712898, 1903220, 2076240, 2283864, 2854830, 3114360, 3425796, 3806440, 4282245, 4567728, 5709660, 6228720, 6851592, 7612880, 8564490, 11419320, 13703184, 17128980, 22838640, 34257960, 68515920]

約数ペア:

[(1, 68515920), (2, 34257960), (3, 22838640), (4, 17128980), (5, 13703184), (6, 11419320), (8, 8564490), (9, 7612880), (10, 6851592), (11, 6228720), (12, 5709660), (15, 4567728), (16, 4282245), (18, 3806440), (20, 3425796), (22, 3114360), (24, 2854830), (30, 2283864), (33, 2076240), (36, 1903220), (40, 1712898), (41, 1671120), (44, 1557180), (45, 1522576), (48, 1427415), (55, 1245744), (60, 1141932), (66, 1038120), (72, 951610), (80, 856449), (82, 835560), (88, 778590), (90, 761288), (99, 692080), (110, 622872), (120, 570966), (123, 557040), (132, 519060), (144, 475805), (164, 417780), (165, 415248), (176, 389295), (180, 380644), (198, 346040), (205, 334224), (211, 324720), (220, 311436), (240, 285483), (246, 278520), (264, 259530), (328, 208890), (330, 207624), (360, 190322), (369, 185680), (396, 173020), (410, 167112), (422, 162360), (440, 155718), (451, 151920), (492, 139260), (495, 138416), (528, 129765), (615, 111408), (633, 108240), (656, 104445), (660, 103812), (720, 95161), (738, 92840), (792, 86510), (820, 83556), (844, 81180), (880, 77859), (902, 75960), (984, 69630), (990, 69208), (1055, 64944), (1230, 55704), (1266, 54120), (1320, 51906), (1353, 50640), (1476, 46420), (1584, 43255), (1640, 41778), (1688, 40590), (1804, 37980), (1845, 37136), (1899, 36080), (1968, 34815), (1980, 34604), (2110, 32472), (2255, 30384), (2321, 29520), (2460, 27852), (2532, 27060), (2640, 25953), (2706, 25320), (2952, 23210), (3165, 21648), (3280, 20889), (3376, 20295), (3608, 18990), (3690, 18568), (3798, 18040), (3960, 17302), (4059, 16880), (4220, 16236), (4510, 15192), (4642, 14760), (4920, 13926), (5064, 13530), (5412, 12660), (5904, 11605), (6330, 10824), (6765, 10128), (6963, 9840), (7216, 9495), (7380, 9284), (7596, 9020), (7920, 8651), (8118, 8440)]