254051820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4139}}^1$

素因数の和:4196

約数の個数: 144

約数和(自身を含む): 868008960

約数和(自身を除く): 613957140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 31, 33, 36, 44, 45, 55, 60, 62, 66, 90, 93, 99, 110, 124, 132, 155, 165, 180, 186, 198, 220, 279, 310, 330, 341, 372, 396, 465, 495, 558, 620, 660, 682, 930, 990, 1023, 1116, 1364, 1395, 1705, 1860, 1980, 2046, 2790, 3069, 3410, 4092, 4139, 5115, 5580, 6138, 6820, 8278, 10230, 12276, 12417, 15345, 16556, 20460, 20695, 24834, 30690, 37251, 41390, 45529, 49668, 61380, 62085, 74502, 82780, 91058, 124170, 128309, 136587, 149004, 182116, 186255, 227645, 248340, 256618, 273174, 372510, 384927, 409761, 455290, 513236, 546348, 641545, 682935, 745020, 769854, 819522, 910580, 1154781, 1283090, 1365870, 1411399, 1539708, 1639044, 1924635, 2048805, 2309562, 2566180, 2731740, 2822798, 3849270, 4097610, 4234197, 4619124, 5645596, 5773905, 7056995, 7698540, 8195220, 8468394, 11547810, 12702591, 14113990, 16936788, 21170985, 23095620, 25405182, 28227980, 42341970, 50810364, 63512955, 84683940, 127025910, 254051820]

約数ペア:

[(1, 254051820), (2, 127025910), (3, 84683940), (4, 63512955), (5, 50810364), (6, 42341970), (9, 28227980), (10, 25405182), (11, 23095620), (12, 21170985), (15, 16936788), (18, 14113990), (20, 12702591), (22, 11547810), (30, 8468394), (31, 8195220), (33, 7698540), (36, 7056995), (44, 5773905), (45, 5645596), (55, 4619124), (60, 4234197), (62, 4097610), (66, 3849270), (90, 2822798), (93, 2731740), (99, 2566180), (110, 2309562), (124, 2048805), (132, 1924635), (155, 1639044), (165, 1539708), (180, 1411399), (186, 1365870), (198, 1283090), (220, 1154781), (279, 910580), (310, 819522), (330, 769854), (341, 745020), (372, 682935), (396, 641545), (465, 546348), (495, 513236), (558, 455290), (620, 409761), (660, 384927), (682, 372510), (930, 273174), (990, 256618), (1023, 248340), (1116, 227645), (1364, 186255), (1395, 182116), (1705, 149004), (1860, 136587), (1980, 128309), (2046, 124170), (2790, 91058), (3069, 82780), (3410, 74502), (4092, 62085), (4139, 61380), (5115, 49668), (5580, 45529), (6138, 41390), (6820, 37251), (8278, 30690), (10230, 24834), (12276, 20695), (12417, 20460), (15345, 16556)]