279327720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{1049}}^1$

素因数の和:1387

約数の個数: 128

約数和(自身を含む): 961632000

約数和(自身を除く): 682304280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 317, 420, 634, 840, 951, 1049, 1268, 1585, 1902, 2098, 2219, 2536, 3147, 3170, 3804, 4196, 4438, 4755, 5245, 6294, 6340, 6657, 7343, 7608, 8392, 8876, 9510, 10490, 11095, 12588, 12680, 13314, 14686, 15735, 17752, 19020, 20980, 22029, 22190, 25176, 26628, 29372, 31470, 33285, 36715, 38040, 41960, 44058, 44380, 53256, 58744, 62940, 66570, 73430, 88116, 88760, 110145, 125880, 133140, 146860, 176232, 220290, 266280, 293720, 332533, 440580, 665066, 881160, 997599, 1330132, 1662665, 1995198, 2327731, 2660264, 3325330, 3990396, 4655462, 4987995, 6650660, 6983193, 7980792, 9310924, 9975990, 11638655, 13301320, 13966386, 18621848, 19951980, 23277310, 27932772, 34915965, 39903960, 46554620, 55865544, 69831930, 93109240, 139663860, 279327720]

約数ペア:

[(1, 279327720), (2, 139663860), (3, 93109240), (4, 69831930), (5, 55865544), (6, 46554620), (7, 39903960), (8, 34915965), (10, 27932772), (12, 23277310), (14, 19951980), (15, 18621848), (20, 13966386), (21, 13301320), (24, 11638655), (28, 9975990), (30, 9310924), (35, 7980792), (40, 6983193), (42, 6650660), (56, 4987995), (60, 4655462), (70, 3990396), (84, 3325330), (105, 2660264), (120, 2327731), (140, 1995198), (168, 1662665), (210, 1330132), (280, 997599), (317, 881160), (420, 665066), (634, 440580), (840, 332533), (951, 293720), (1049, 266280), (1268, 220290), (1585, 176232), (1902, 146860), (2098, 133140), (2219, 125880), (2536, 110145), (3147, 88760), (3170, 88116), (3804, 73430), (4196, 66570), (4438, 62940), (4755, 58744), (5245, 53256), (6294, 44380), (6340, 44058), (6657, 41960), (7343, 38040), (7608, 36715), (8392, 33285), (8876, 31470), (9510, 29372), (10490, 26628), (11095, 25176), (12588, 22190), (12680, 22029), (13314, 20980), (14686, 19020), (15735, 17752)]