28386960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{277}}^1$

素因数の和:361

約数の個数: 160

約数和(自身を含む): 102588672

約数和(自身を除く): 74201712

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 61, 70, 80, 84, 105, 112, 120, 122, 140, 168, 183, 210, 240, 244, 277, 280, 305, 336, 366, 420, 427, 488, 554, 560, 610, 732, 831, 840, 854, 915, 976, 1108, 1220, 1281, 1385, 1464, 1662, 1680, 1708, 1830, 1939, 2135, 2216, 2440, 2562, 2770, 2928, 3324, 3416, 3660, 3878, 4155, 4270, 4432, 4880, 5124, 5540, 5817, 6405, 6648, 6832, 7320, 7756, 8310, 8540, 9695, 10248, 11080, 11634, 12810, 13296, 14640, 15512, 16620, 16897, 17080, 19390, 20496, 22160, 23268, 25620, 29085, 31024, 33240, 33794, 34160, 38780, 46536, 50691, 51240, 58170, 66480, 67588, 77560, 84485, 93072, 101382, 102480, 116340, 118279, 135176, 155120, 168970, 202764, 232680, 236558, 253455, 270352, 337940, 354837, 405528, 465360, 473116, 506910, 591395, 675880, 709674, 811056, 946232, 1013820, 1182790, 1351760, 1419348, 1774185, 1892464, 2027640, 2365580, 2838696, 3548370, 4055280, 4731160, 5677392, 7096740, 9462320, 14193480, 28386960]

約数ペア:

[(1, 28386960), (2, 14193480), (3, 9462320), (4, 7096740), (5, 5677392), (6, 4731160), (7, 4055280), (8, 3548370), (10, 2838696), (12, 2365580), (14, 2027640), (15, 1892464), (16, 1774185), (20, 1419348), (21, 1351760), (24, 1182790), (28, 1013820), (30, 946232), (35, 811056), (40, 709674), (42, 675880), (48, 591395), (56, 506910), (60, 473116), (61, 465360), (70, 405528), (80, 354837), (84, 337940), (105, 270352), (112, 253455), (120, 236558), (122, 232680), (140, 202764), (168, 168970), (183, 155120), (210, 135176), (240, 118279), (244, 116340), (277, 102480), (280, 101382), (305, 93072), (336, 84485), (366, 77560), (420, 67588), (427, 66480), (488, 58170), (554, 51240), (560, 50691), (610, 46536), (732, 38780), (831, 34160), (840, 33794), (854, 33240), (915, 31024), (976, 29085), (1108, 25620), (1220, 23268), (1281, 22160), (1385, 20496), (1464, 19390), (1662, 17080), (1680, 16897), (1708, 16620), (1830, 15512), (1939, 14640), (2135, 13296), (2216, 12810), (2440, 11634), (2562, 11080), (2770, 10248), (2928, 9695), (3324, 8540), (3416, 8310), (3660, 7756), (3878, 7320), (4155, 6832), (4270, 6648), (4432, 6405), (4880, 5817), (5124, 5540)]