440828520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{641}}^1$

素因数の和:1187

約数の個数: 128

約数和(自身を含む): 1447735680

約数和(自身を除く): 1006907160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 521, 641, 660, 1042, 1282, 1320, 1563, 1923, 2084, 2564, 2605, 3126, 3205, 3846, 4168, 5128, 5210, 5731, 6252, 6410, 7051, 7692, 7815, 9615, 10420, 11462, 12504, 12820, 14102, 15384, 15630, 17193, 19230, 20840, 21153, 22924, 25640, 28204, 28655, 31260, 34386, 35255, 38460, 42306, 45848, 56408, 57310, 62520, 68772, 70510, 76920, 84612, 85965, 105765, 114620, 137544, 141020, 169224, 171930, 211530, 229240, 282040, 333961, 343860, 423060, 667922, 687720, 846120, 1001883, 1335844, 1669805, 2003766, 2671688, 3339610, 3673571, 4007532, 5009415, 6679220, 7347142, 8015064, 10018830, 11020713, 13358440, 14694284, 18367855, 20037660, 22041426, 29388568, 36735710, 40075320, 44082852, 55103565, 73471420, 88165704, 110207130, 146942840, 220414260, 440828520]

約数ペア:

[(1, 440828520), (2, 220414260), (3, 146942840), (4, 110207130), (5, 88165704), (6, 73471420), (8, 55103565), (10, 44082852), (11, 40075320), (12, 36735710), (15, 29388568), (20, 22041426), (22, 20037660), (24, 18367855), (30, 14694284), (33, 13358440), (40, 11020713), (44, 10018830), (55, 8015064), (60, 7347142), (66, 6679220), (88, 5009415), (110, 4007532), (120, 3673571), (132, 3339610), (165, 2671688), (220, 2003766), (264, 1669805), (330, 1335844), (440, 1001883), (521, 846120), (641, 687720), (660, 667922), (1042, 423060), (1282, 343860), (1320, 333961), (1563, 282040), (1923, 229240), (2084, 211530), (2564, 171930), (2605, 169224), (3126, 141020), (3205, 137544), (3846, 114620), (4168, 105765), (5128, 85965), (5210, 84612), (5731, 76920), (6252, 70510), (6410, 68772), (7051, 62520), (7692, 57310), (7815, 56408), (9615, 45848), (10420, 42306), (11462, 38460), (12504, 35255), (12820, 34386), (14102, 31260), (15384, 28655), (15630, 28204), (17193, 25640), (19230, 22924), (20840, 21153)]