320918640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{941}}^1$

素因数の和:1000

約数の個数: 240

約数和(自身を含む): 1198450080

約数和(自身を除く): 877531440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 35, 40, 42, 48, 49, 56, 58, 60, 70, 80, 84, 87, 98, 105, 112, 116, 120, 140, 145, 147, 168, 174, 196, 203, 210, 232, 240, 245, 280, 290, 294, 336, 348, 392, 406, 420, 435, 464, 490, 560, 580, 588, 609, 696, 735, 784, 812, 840, 870, 941, 980, 1015, 1160, 1176, 1218, 1392, 1421, 1470, 1624, 1680, 1740, 1882, 1960, 2030, 2320, 2352, 2436, 2823, 2842, 2940, 3045, 3248, 3480, 3764, 3920, 4060, 4263, 4705, 4872, 5646, 5684, 5880, 6090, 6587, 6960, 7105, 7528, 8120, 8526, 9410, 9744, 11292, 11368, 11760, 12180, 13174, 14115, 14210, 15056, 16240, 17052, 18820, 19761, 21315, 22584, 22736, 24360, 26348, 27289, 28230, 28420, 32935, 34104, 37640, 39522, 42630, 45168, 46109, 48720, 52696, 54578, 56460, 56840, 65870, 68208, 75280, 79044, 81867, 85260, 92218, 98805, 105392, 109156, 112920, 113680, 131740, 136445, 138327, 158088, 163734, 170520, 184436, 191023, 197610, 218312, 225840, 230545, 263480, 272890, 276654, 316176, 327468, 341040, 368872, 382046, 395220, 409335, 436624, 461090, 526960, 545780, 553308, 573069, 654936, 691635, 737744, 764092, 790440, 818670, 922180, 955115, 1091560, 1106616, 1146138, 1309872, 1337161, 1383270, 1528184, 1580880, 1637340, 1844360, 1910230, 2183120, 2213232, 2292276, 2674322, 2766540, 2865345, 3056368, 3274680, 3688720, 3820460, 4011483, 4584552, 5348644, 5533080, 5730690, 6549360, 6685805, 7640920, 8022966, 9169104, 10697288, 11066160, 11461380, 13371610, 15281840, 16045932, 20057415, 21394576, 22922760, 26743220, 32091864, 40114830, 45845520, 53486440, 64183728, 80229660, 106972880, 160459320, 320918640]

約数ペア:

[(1, 320918640), (2, 160459320), (3, 106972880), (4, 80229660), (5, 64183728), (6, 53486440), (7, 45845520), (8, 40114830), (10, 32091864), (12, 26743220), (14, 22922760), (15, 21394576), (16, 20057415), (20, 16045932), (21, 15281840), (24, 13371610), (28, 11461380), (29, 11066160), (30, 10697288), (35, 9169104), (40, 8022966), (42, 7640920), (48, 6685805), (49, 6549360), (56, 5730690), (58, 5533080), (60, 5348644), (70, 4584552), (80, 4011483), (84, 3820460), (87, 3688720), (98, 3274680), (105, 3056368), (112, 2865345), (116, 2766540), (120, 2674322), (140, 2292276), (145, 2213232), (147, 2183120), (168, 1910230), (174, 1844360), (196, 1637340), (203, 1580880), (210, 1528184), (232, 1383270), (240, 1337161), (245, 1309872), (280, 1146138), (290, 1106616), (294, 1091560), (336, 955115), (348, 922180), (392, 818670), (406, 790440), (420, 764092), (435, 737744), (464, 691635), (490, 654936), (560, 573069), (580, 553308), (588, 545780), (609, 526960), (696, 461090), (735, 436624), (784, 409335), (812, 395220), (840, 382046), (870, 368872), (941, 341040), (980, 327468), (1015, 316176), (1160, 276654), (1176, 272890), (1218, 263480), (1392, 230545), (1421, 225840), (1470, 218312), (1624, 197610), (1680, 191023), (1740, 184436), (1882, 170520), (1960, 163734), (2030, 158088), (2320, 138327), (2352, 136445), (2436, 131740), (2823, 113680), (2842, 112920), (2940, 109156), (3045, 105392), (3248, 98805), (3480, 92218), (3764, 85260), (3920, 81867), (4060, 79044), (4263, 75280), (4705, 68208), (4872, 65870), (5646, 56840), (5684, 56460), (5880, 54578), (6090, 52696), (6587, 48720), (6960, 46109), (7105, 45168), (7528, 42630), (8120, 39522), (8526, 37640), (9410, 34104), (9744, 32935), (11292, 28420), (11368, 28230), (11760, 27289), (12180, 26348), (13174, 24360), (14115, 22736), (14210, 22584), (15056, 21315), (16240, 19761), (17052, 18820)]