1285967880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2161}}^1$

素因数の和:2229

約数の個数: 256

約数和(自身を含む): 4669920000

約数和(自身を除く): 3383952120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 29, 30, 36, 38, 40, 45, 54, 57, 58, 60, 72, 76, 87, 90, 95, 108, 114, 116, 120, 135, 145, 152, 171, 174, 180, 190, 216, 228, 232, 261, 270, 285, 290, 342, 348, 360, 380, 435, 456, 513, 522, 540, 551, 570, 580, 684, 696, 760, 783, 855, 870, 1026, 1044, 1080, 1102, 1140, 1160, 1305, 1368, 1566, 1653, 1710, 1740, 2052, 2088, 2161, 2204, 2280, 2565, 2610, 2755, 3132, 3306, 3420, 3480, 3915, 4104, 4322, 4408, 4959, 5130, 5220, 5510, 6264, 6483, 6612, 6840, 7830, 8265, 8644, 9918, 10260, 10440, 10805, 11020, 12966, 13224, 14877, 15660, 16530, 17288, 19449, 19836, 20520, 21610, 22040, 24795, 25932, 29754, 31320, 32415, 33060, 38898, 39672, 41059, 43220, 49590, 51864, 58347, 59508, 62669, 64830, 66120, 74385, 77796, 82118, 86440, 97245, 99180, 116694, 119016, 123177, 125338, 129660, 148770, 155592, 164236, 188007, 194490, 198360, 205295, 233388, 246354, 250676, 259320, 291735, 297540, 313345, 328472, 369531, 376014, 388980, 410590, 466776, 492708, 501352, 564021, 583470, 595080, 615885, 626690, 739062, 752028, 777960, 821180, 940035, 985416, 1108593, 1128042, 1166940, 1190711, 1231770, 1253380, 1478124, 1504056, 1642360, 1692063, 1847655, 1880070, 2217186, 2256084, 2333880, 2381422, 2463540, 2506760, 2820105, 2956248, 3384126, 3572133, 3695310, 3760140, 4434372, 4512168, 4762844, 4927080, 5542965, 5640210, 5953555, 6768252, 7144266, 7390620, 7520280, 8460315, 8868744, 9525688, 10716399, 11085930, 11280420, 11907110, 13536504, 14288532, 14781240, 16920630, 17860665, 21432798, 22171860, 22560840, 23814220, 28577064, 32149197, 33841260, 35721330, 42865596, 44343720, 47628440, 53581995, 64298394, 67682520, 71442660, 85731192, 107163990, 128596788, 142885320, 160745985, 214327980, 257193576, 321491970, 428655960, 642983940, 1285967880]

約数ペア:

[(1, 1285967880), (2, 642983940), (3, 428655960), (4, 321491970), (5, 257193576), (6, 214327980), (8, 160745985), (9, 142885320), (10, 128596788), (12, 107163990), (15, 85731192), (18, 71442660), (19, 67682520), (20, 64298394), (24, 53581995), (27, 47628440), (29, 44343720), (30, 42865596), (36, 35721330), (38, 33841260), (40, 32149197), (45, 28577064), (54, 23814220), (57, 22560840), (58, 22171860), (60, 21432798), (72, 17860665), (76, 16920630), (87, 14781240), (90, 14288532), (95, 13536504), (108, 11907110), (114, 11280420), (116, 11085930), (120, 10716399), (135, 9525688), (145, 8868744), (152, 8460315), (171, 7520280), (174, 7390620), (180, 7144266), (190, 6768252), (216, 5953555), (228, 5640210), (232, 5542965), (261, 4927080), (270, 4762844), (285, 4512168), (290, 4434372), (342, 3760140), (348, 3695310), (360, 3572133), (380, 3384126), (435, 2956248), (456, 2820105), (513, 2506760), (522, 2463540), (540, 2381422), (551, 2333880), (570, 2256084), (580, 2217186), (684, 1880070), (696, 1847655), (760, 1692063), (783, 1642360), (855, 1504056), (870, 1478124), (1026, 1253380), (1044, 1231770), (1080, 1190711), (1102, 1166940), (1140, 1128042), (1160, 1108593), (1305, 985416), (1368, 940035), (1566, 821180), (1653, 777960), (1710, 752028), (1740, 739062), (2052, 626690), (2088, 615885), (2161, 595080), (2204, 583470), (2280, 564021), (2565, 501352), (2610, 492708), (2755, 466776), (3132, 410590), (3306, 388980), (3420, 376014), (3480, 369531), (3915, 328472), (4104, 313345), (4322, 297540), (4408, 291735), (4959, 259320), (5130, 250676), (5220, 246354), (5510, 233388), (6264, 205295), (6483, 198360), (6612, 194490), (6840, 188007), (7830, 164236), (8265, 155592), (8644, 148770), (9918, 129660), (10260, 125338), (10440, 123177), (10805, 119016), (11020, 116694), (12966, 99180), (13224, 97245), (14877, 86440), (15660, 82118), (16530, 77796), (17288, 74385), (19449, 66120), (19836, 64830), (20520, 62669), (21610, 59508), (22040, 58347), (24795, 51864), (25932, 49590), (29754, 43220), (31320, 41059), (32415, 39672), (33060, 38898)]