1387339980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{659}}^1\times {\mathrm{2699}}^1$

素因数の和:3383

約数の個数: 96

約数和(自身を含む): 4191264000

約数和(自身を除く): 2803924020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 659, 780, 1318, 1977, 2636, 2699, 3295, 3954, 5398, 6590, 7908, 8097, 8567, 9885, 10796, 13180, 13495, 16194, 17134, 19770, 25701, 26990, 32388, 34268, 35087, 39540, 40485, 42835, 51402, 53980, 70174, 80970, 85670, 102804, 105261, 128505, 140348, 161940, 171340, 175435, 210522, 257010, 350870, 421044, 514020, 526305, 701740, 1052610, 1778641, 2105220, 3557282, 5335923, 7114564, 8893205, 10671846, 17786410, 21343692, 23122333, 26679615, 35572820, 46244666, 53359230, 69366999, 92489332, 106718460, 115611665, 138733998, 231223330, 277467996, 346834995, 462446660, 693669990, 1387339980]

約数ペア:

[(1, 1387339980), (2, 693669990), (3, 462446660), (4, 346834995), (5, 277467996), (6, 231223330), (10, 138733998), (12, 115611665), (13, 106718460), (15, 92489332), (20, 69366999), (26, 53359230), (30, 46244666), (39, 35572820), (52, 26679615), (60, 23122333), (65, 21343692), (78, 17786410), (130, 10671846), (156, 8893205), (195, 7114564), (260, 5335923), (390, 3557282), (659, 2105220), (780, 1778641), (1318, 1052610), (1977, 701740), (2636, 526305), (2699, 514020), (3295, 421044), (3954, 350870), (5398, 257010), (6590, 210522), (7908, 175435), (8097, 171340), (8567, 161940), (9885, 140348), (10796, 128505), (13180, 105261), (13495, 102804), (16194, 85670), (17134, 80970), (19770, 70174), (25701, 53980), (26990, 51402), (32388, 42835), (34268, 40485), (35087, 39540)]