1387894980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{73}}^1\times {\mathrm{599}}^1$

素因数の和:730

約数の個数: 144

約数和(自身を含む): 4124937600

約数和(自身を除く): 2737042620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 73, 92, 115, 138, 146, 219, 230, 276, 292, 345, 365, 438, 460, 529, 599, 690, 730, 876, 1058, 1095, 1198, 1380, 1460, 1587, 1679, 1797, 2116, 2190, 2396, 2645, 2995, 3174, 3358, 3594, 4380, 5037, 5290, 5990, 6348, 6716, 7188, 7935, 8395, 8985, 10074, 10580, 11980, 13777, 15870, 16790, 17970, 20148, 25185, 27554, 31740, 33580, 35940, 38617, 41331, 43727, 50370, 55108, 68885, 77234, 82662, 87454, 100740, 115851, 131181, 137770, 154468, 165324, 174908, 193085, 206655, 218635, 231702, 262362, 275540, 316871, 386170, 413310, 437270, 463404, 524724, 579255, 633742, 655905, 772340, 826620, 874540, 950613, 1005721, 1158510, 1267484, 1311810, 1584355, 1901226, 2011442, 2317020, 2623620, 3017163, 3168710, 3802452, 4022884, 4753065, 5028605, 6034326, 6337420, 9506130, 10057210, 12068652, 15085815, 19012260, 20114420, 23131583, 30171630, 46263166, 60343260, 69394749, 92526332, 115657915, 138789498, 231315830, 277578996, 346973745, 462631660, 693947490, 1387894980]

約数ペア:

[(1, 1387894980), (2, 693947490), (3, 462631660), (4, 346973745), (5, 277578996), (6, 231315830), (10, 138789498), (12, 115657915), (15, 92526332), (20, 69394749), (23, 60343260), (30, 46263166), (46, 30171630), (60, 23131583), (69, 20114420), (73, 19012260), (92, 15085815), (115, 12068652), (138, 10057210), (146, 9506130), (219, 6337420), (230, 6034326), (276, 5028605), (292, 4753065), (345, 4022884), (365, 3802452), (438, 3168710), (460, 3017163), (529, 2623620), (599, 2317020), (690, 2011442), (730, 1901226), (876, 1584355), (1058, 1311810), (1095, 1267484), (1198, 1158510), (1380, 1005721), (1460, 950613), (1587, 874540), (1679, 826620), (1797, 772340), (2116, 655905), (2190, 633742), (2396, 579255), (2645, 524724), (2995, 463404), (3174, 437270), (3358, 413310), (3594, 386170), (4380, 316871), (5037, 275540), (5290, 262362), (5990, 231702), (6348, 218635), (6716, 206655), (7188, 193085), (7935, 174908), (8395, 165324), (8985, 154468), (10074, 137770), (10580, 131181), (11980, 115851), (13777, 100740), (15870, 87454), (16790, 82662), (17970, 77234), (20148, 68885), (25185, 55108), (27554, 50370), (31740, 43727), (33580, 41331), (35940, 38617)]