640313640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{8849}}^1$

素因数の和:8936

約数の個数: 128

約数和(自身を含む): 2166480000

約数和(自身を除く): 1526166360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 67, 72, 90, 108, 120, 134, 135, 180, 201, 216, 268, 270, 335, 360, 402, 536, 540, 603, 670, 804, 1005, 1080, 1206, 1340, 1608, 1809, 2010, 2412, 2680, 3015, 3618, 4020, 4824, 6030, 7236, 8040, 8849, 9045, 12060, 14472, 17698, 18090, 24120, 26547, 35396, 36180, 44245, 53094, 70792, 72360, 79641, 88490, 106188, 132735, 159282, 176980, 212376, 238923, 265470, 318564, 353960, 398205, 477846, 530940, 592883, 637128, 796410, 955692, 1061880, 1185766, 1194615, 1592820, 1778649, 1911384, 2371532, 2389230, 2964415, 3185640, 3557298, 4743064, 4778460, 5335947, 5928830, 7114596, 8893245, 9556920, 10671894, 11857660, 14229192, 16007841, 17786490, 21343788, 23715320, 26679735, 32015682, 35572980, 42687576, 53359470, 64031364, 71145960, 80039205, 106718940, 128062728, 160078410, 213437880, 320156820, 640313640]

約数ペア:

[(1, 640313640), (2, 320156820), (3, 213437880), (4, 160078410), (5, 128062728), (6, 106718940), (8, 80039205), (9, 71145960), (10, 64031364), (12, 53359470), (15, 42687576), (18, 35572980), (20, 32015682), (24, 26679735), (27, 23715320), (30, 21343788), (36, 17786490), (40, 16007841), (45, 14229192), (54, 11857660), (60, 10671894), (67, 9556920), (72, 8893245), (90, 7114596), (108, 5928830), (120, 5335947), (134, 4778460), (135, 4743064), (180, 3557298), (201, 3185640), (216, 2964415), (268, 2389230), (270, 2371532), (335, 1911384), (360, 1778649), (402, 1592820), (536, 1194615), (540, 1185766), (603, 1061880), (670, 955692), (804, 796410), (1005, 637128), (1080, 592883), (1206, 530940), (1340, 477846), (1608, 398205), (1809, 353960), (2010, 318564), (2412, 265470), (2680, 238923), (3015, 212376), (3618, 176980), (4020, 159282), (4824, 132735), (6030, 106188), (7236, 88490), (8040, 79641), (8849, 72360), (9045, 70792), (12060, 53094), (14472, 44245), (17698, 36180), (18090, 35396), (24120, 26547)]