279974640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:380

約数の個数: 240

約数和(自身を含む): 987936768

約数和(自身を除く): 707962128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 33, 40, 44, 48, 55, 60, 62, 66, 80, 88, 93, 110, 120, 121, 124, 132, 155, 165, 176, 186, 220, 240, 242, 248, 264, 310, 311, 330, 341, 363, 372, 440, 465, 484, 496, 528, 605, 620, 622, 660, 682, 726, 744, 880, 930, 933, 968, 1023, 1210, 1240, 1244, 1320, 1364, 1452, 1488, 1555, 1705, 1815, 1860, 1866, 1936, 2046, 2420, 2480, 2488, 2640, 2728, 2904, 3110, 3410, 3421, 3630, 3720, 3732, 3751, 4092, 4665, 4840, 4976, 5115, 5456, 5808, 6220, 6820, 6842, 7260, 7440, 7464, 7502, 8184, 9330, 9641, 9680, 10230, 10263, 11253, 12440, 13640, 13684, 14520, 14928, 15004, 16368, 17105, 18660, 18755, 19282, 20460, 20526, 22506, 24880, 27280, 27368, 28923, 29040, 30008, 34210, 37320, 37510, 37631, 38564, 40920, 41052, 45012, 48205, 51315, 54736, 56265, 57846, 60016, 68420, 74640, 75020, 75262, 77128, 81840, 82104, 90024, 96410, 102630, 106051, 112530, 112893, 115692, 136840, 144615, 150040, 150524, 154256, 164208, 180048, 188155, 192820, 205260, 212102, 225060, 225786, 231384, 273680, 289230, 300080, 301048, 318153, 376310, 385640, 410520, 424204, 450120, 451572, 462768, 530255, 564465, 578460, 602096, 636306, 752620, 771280, 821040, 848408, 900240, 903144, 1060510, 1128930, 1156920, 1166561, 1272612, 1505240, 1590765, 1696816, 1806288, 2121020, 2257860, 2313840, 2333122, 2545224, 3010480, 3181530, 3499683, 4242040, 4515720, 4666244, 5090448, 5832805, 6363060, 6999366, 8484080, 9031440, 9332488, 11665610, 12726120, 13998732, 17498415, 18664976, 23331220, 25452240, 27997464, 34996830, 46662440, 55994928, 69993660, 93324880, 139987320, 279974640]

約数ペア:

[(1, 279974640), (2, 139987320), (3, 93324880), (4, 69993660), (5, 55994928), (6, 46662440), (8, 34996830), (10, 27997464), (11, 25452240), (12, 23331220), (15, 18664976), (16, 17498415), (20, 13998732), (22, 12726120), (24, 11665610), (30, 9332488), (31, 9031440), (33, 8484080), (40, 6999366), (44, 6363060), (48, 5832805), (55, 5090448), (60, 4666244), (62, 4515720), (66, 4242040), (80, 3499683), (88, 3181530), (93, 3010480), (110, 2545224), (120, 2333122), (121, 2313840), (124, 2257860), (132, 2121020), (155, 1806288), (165, 1696816), (176, 1590765), (186, 1505240), (220, 1272612), (240, 1166561), (242, 1156920), (248, 1128930), (264, 1060510), (310, 903144), (311, 900240), (330, 848408), (341, 821040), (363, 771280), (372, 752620), (440, 636306), (465, 602096), (484, 578460), (496, 564465), (528, 530255), (605, 462768), (620, 451572), (622, 450120), (660, 424204), (682, 410520), (726, 385640), (744, 376310), (880, 318153), (930, 301048), (933, 300080), (968, 289230), (1023, 273680), (1210, 231384), (1240, 225786), (1244, 225060), (1320, 212102), (1364, 205260), (1452, 192820), (1488, 188155), (1555, 180048), (1705, 164208), (1815, 154256), (1860, 150524), (1866, 150040), (1936, 144615), (2046, 136840), (2420, 115692), (2480, 112893), (2488, 112530), (2640, 106051), (2728, 102630), (2904, 96410), (3110, 90024), (3410, 82104), (3421, 81840), (3630, 77128), (3720, 75262), (3732, 75020), (3751, 74640), (4092, 68420), (4665, 60016), (4840, 57846), (4976, 56265), (5115, 54736), (5456, 51315), (5808, 48205), (6220, 45012), (6820, 41052), (6842, 40920), (7260, 38564), (7440, 37631), (7464, 37510), (7502, 37320), (8184, 34210), (9330, 30008), (9641, 29040), (9680, 28923), (10230, 27368), (10263, 27280), (11253, 24880), (12440, 22506), (13640, 20526), (13684, 20460), (14520, 19282), (14928, 18755), (15004, 18660), (16368, 17105)]