254684640

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{331}}^1$

素因数の和:585

約数の個数: 192

約数和(自身を含む): 923650560

約数和(自身を除く): 668965920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 229, 240, 280, 331, 336, 420, 458, 480, 560, 662, 672, 687, 840, 916, 993, 1120, 1145, 1324, 1374, 1603, 1655, 1680, 1832, 1986, 2290, 2317, 2648, 2748, 3206, 3310, 3360, 3435, 3664, 3972, 4580, 4634, 4809, 4965, 5296, 5496, 6412, 6620, 6870, 6951, 7328, 7944, 8015, 9160, 9268, 9618, 9930, 10592, 10992, 11585, 12824, 13240, 13740, 13902, 15888, 16030, 18320, 18536, 19236, 19860, 21984, 23170, 24045, 25648, 26480, 27480, 27804, 31776, 32060, 34755, 36640, 37072, 38472, 39720, 46340, 48090, 51296, 52960, 54960, 55608, 64120, 69510, 74144, 75799, 76944, 79440, 92680, 96180, 109920, 111216, 128240, 139020, 151598, 153888, 158880, 185360, 192360, 222432, 227397, 256480, 278040, 303196, 370720, 378995, 384720, 454794, 530593, 556080, 606392, 757990, 769440, 909588, 1061186, 1112160, 1136985, 1212784, 1515980, 1591779, 1819176, 2122372, 2273970, 2425568, 2652965, 3031960, 3183558, 3638352, 4244744, 4547940, 5305930, 6063920, 6367116, 7276704, 7958895, 8489488, 9095880, 10611860, 12127840, 12734232, 15917790, 16978976, 18191760, 21223720, 25468464, 31835580, 36383520, 42447440, 50936928, 63671160, 84894880, 127342320, 254684640]

約数ペア:

[(1, 254684640), (2, 127342320), (3, 84894880), (4, 63671160), (5, 50936928), (6, 42447440), (7, 36383520), (8, 31835580), (10, 25468464), (12, 21223720), (14, 18191760), (15, 16978976), (16, 15917790), (20, 12734232), (21, 12127840), (24, 10611860), (28, 9095880), (30, 8489488), (32, 7958895), (35, 7276704), (40, 6367116), (42, 6063920), (48, 5305930), (56, 4547940), (60, 4244744), (70, 3638352), (80, 3183558), (84, 3031960), (96, 2652965), (105, 2425568), (112, 2273970), (120, 2122372), (140, 1819176), (160, 1591779), (168, 1515980), (210, 1212784), (224, 1136985), (229, 1112160), (240, 1061186), (280, 909588), (331, 769440), (336, 757990), (420, 606392), (458, 556080), (480, 530593), (560, 454794), (662, 384720), (672, 378995), (687, 370720), (840, 303196), (916, 278040), (993, 256480), (1120, 227397), (1145, 222432), (1324, 192360), (1374, 185360), (1603, 158880), (1655, 153888), (1680, 151598), (1832, 139020), (1986, 128240), (2290, 111216), (2317, 109920), (2648, 96180), (2748, 92680), (3206, 79440), (3310, 76944), (3360, 75799), (3435, 74144), (3664, 69510), (3972, 64120), (4580, 55608), (4634, 54960), (4809, 52960), (4965, 51296), (5296, 48090), (5496, 46340), (6412, 39720), (6620, 38472), (6870, 37072), (6951, 36640), (7328, 34755), (7944, 32060), (8015, 31776), (9160, 27804), (9268, 27480), (9618, 26480), (9930, 25648), (10592, 24045), (10992, 23170), (11585, 21984), (12824, 19860), (13240, 19236), (13740, 18536), (13902, 18320), (15888, 16030)]