31148460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{419}}^1$

素因数の和:500

約数の個数: 144

約数和(自身を含む): 110073600

約数和(自身を除く): 78925140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 59, 60, 63, 70, 84, 90, 105, 118, 126, 140, 177, 180, 210, 236, 252, 295, 315, 354, 413, 419, 420, 531, 590, 630, 708, 826, 838, 885, 1062, 1180, 1239, 1257, 1260, 1652, 1676, 1770, 2065, 2095, 2124, 2478, 2514, 2655, 2933, 3540, 3717, 3771, 4130, 4190, 4956, 5028, 5310, 5866, 6195, 6285, 7434, 7542, 8260, 8380, 8799, 10620, 11732, 12390, 12570, 14665, 14868, 15084, 17598, 18585, 18855, 24721, 24780, 25140, 26397, 29330, 35196, 37170, 37710, 43995, 49442, 52794, 58660, 74163, 74340, 75420, 87990, 98884, 105588, 123605, 131985, 148326, 173047, 175980, 222489, 247210, 263970, 296652, 346094, 370815, 444978, 494420, 519141, 527940, 692188, 741630, 865235, 889956, 1038282, 1112445, 1483260, 1557423, 1730470, 2076564, 2224890, 2595705, 3114846, 3460940, 4449780, 5191410, 6229692, 7787115, 10382820, 15574230, 31148460]

約数ペア:

[(1, 31148460), (2, 15574230), (3, 10382820), (4, 7787115), (5, 6229692), (6, 5191410), (7, 4449780), (9, 3460940), (10, 3114846), (12, 2595705), (14, 2224890), (15, 2076564), (18, 1730470), (20, 1557423), (21, 1483260), (28, 1112445), (30, 1038282), (35, 889956), (36, 865235), (42, 741630), (45, 692188), (59, 527940), (60, 519141), (63, 494420), (70, 444978), (84, 370815), (90, 346094), (105, 296652), (118, 263970), (126, 247210), (140, 222489), (177, 175980), (180, 173047), (210, 148326), (236, 131985), (252, 123605), (295, 105588), (315, 98884), (354, 87990), (413, 75420), (419, 74340), (420, 74163), (531, 58660), (590, 52794), (630, 49442), (708, 43995), (826, 37710), (838, 37170), (885, 35196), (1062, 29330), (1180, 26397), (1239, 25140), (1257, 24780), (1260, 24721), (1652, 18855), (1676, 18585), (1770, 17598), (2065, 15084), (2095, 14868), (2124, 14665), (2478, 12570), (2514, 12390), (2655, 11732), (2933, 10620), (3540, 8799), (3717, 8380), (3771, 8260), (4130, 7542), (4190, 7434), (4956, 6285), (5028, 6195), (5310, 5866)]