427388220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{787}}^1$

素因数の和:1240

約数の個数: 144

約数和(自身を含む): 1486937088

約数和(自身を除く): 1059548868

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 431, 630, 787, 862, 1260, 1293, 1574, 1724, 2155, 2361, 2586, 3017, 3148, 3879, 3935, 4310, 4722, 5172, 5509, 6034, 6465, 7083, 7758, 7870, 8620, 9051, 9444, 11018, 11805, 12068, 12930, 14166, 15085, 15516, 15740, 16527, 18102, 19395, 22036, 23610, 25860, 27153, 27545, 28332, 30170, 33054, 35415, 36204, 38790, 45255, 47220, 49581, 54306, 55090, 60340, 66108, 70830, 77580, 82635, 90510, 99162, 108612, 110180, 135765, 141660, 165270, 181020, 198324, 247905, 271530, 330540, 339197, 495810, 543060, 678394, 991620, 1017591, 1356788, 1695985, 2035182, 2374379, 3052773, 3391970, 4070364, 4748758, 5087955, 6105546, 6783940, 7123137, 9497516, 10175910, 11871895, 12211092, 14246274, 15263865, 20351820, 21369411, 23743790, 28492548, 30527730, 35615685, 42738822, 47487580, 61055460, 71231370, 85477644, 106847055, 142462740, 213694110, 427388220]

約数ペア:

[(1, 427388220), (2, 213694110), (3, 142462740), (4, 106847055), (5, 85477644), (6, 71231370), (7, 61055460), (9, 47487580), (10, 42738822), (12, 35615685), (14, 30527730), (15, 28492548), (18, 23743790), (20, 21369411), (21, 20351820), (28, 15263865), (30, 14246274), (35, 12211092), (36, 11871895), (42, 10175910), (45, 9497516), (60, 7123137), (63, 6783940), (70, 6105546), (84, 5087955), (90, 4748758), (105, 4070364), (126, 3391970), (140, 3052773), (180, 2374379), (210, 2035182), (252, 1695985), (315, 1356788), (420, 1017591), (431, 991620), (630, 678394), (787, 543060), (862, 495810), (1260, 339197), (1293, 330540), (1574, 271530), (1724, 247905), (2155, 198324), (2361, 181020), (2586, 165270), (3017, 141660), (3148, 135765), (3879, 110180), (3935, 108612), (4310, 99162), (4722, 90510), (5172, 82635), (5509, 77580), (6034, 70830), (6465, 66108), (7083, 60340), (7758, 55090), (7870, 54306), (8620, 49581), (9051, 47220), (9444, 45255), (11018, 38790), (11805, 36204), (12068, 35415), (12930, 33054), (14166, 30170), (15085, 28332), (15516, 27545), (15740, 27153), (16527, 25860), (18102, 23610), (19395, 22036)]