156881520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1999}}^1$

素因数の和:2127

約数の個数: 120

約数和(自身を含む): 531960000

約数和(自身を除く): 375078480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 109, 120, 144, 180, 218, 240, 327, 360, 436, 545, 654, 720, 872, 981, 1090, 1308, 1635, 1744, 1962, 1999, 2180, 2616, 3270, 3924, 3998, 4360, 4905, 5232, 5997, 6540, 7848, 7996, 8720, 9810, 9995, 11994, 13080, 15696, 15992, 17991, 19620, 19990, 23988, 26160, 29985, 31984, 35982, 39240, 39980, 47976, 59970, 71964, 78480, 79960, 89955, 95952, 119940, 143928, 159920, 179910, 217891, 239880, 287856, 359820, 435782, 479760, 653673, 719640, 871564, 1089455, 1307346, 1439280, 1743128, 1961019, 2178910, 2614692, 3268365, 3486256, 3922038, 4357820, 5229384, 6536730, 7844076, 8715640, 9805095, 10458768, 13073460, 15688152, 17431280, 19610190, 26146920, 31376304, 39220380, 52293840, 78440760, 156881520]

約数ペア:

[(1, 156881520), (2, 78440760), (3, 52293840), (4, 39220380), (5, 31376304), (6, 26146920), (8, 19610190), (9, 17431280), (10, 15688152), (12, 13073460), (15, 10458768), (16, 9805095), (18, 8715640), (20, 7844076), (24, 6536730), (30, 5229384), (36, 4357820), (40, 3922038), (45, 3486256), (48, 3268365), (60, 2614692), (72, 2178910), (80, 1961019), (90, 1743128), (109, 1439280), (120, 1307346), (144, 1089455), (180, 871564), (218, 719640), (240, 653673), (327, 479760), (360, 435782), (436, 359820), (545, 287856), (654, 239880), (720, 217891), (872, 179910), (981, 159920), (1090, 143928), (1308, 119940), (1635, 95952), (1744, 89955), (1962, 79960), (1999, 78480), (2180, 71964), (2616, 59970), (3270, 47976), (3924, 39980), (3998, 39240), (4360, 35982), (4905, 31984), (5232, 29985), (5997, 26160), (6540, 23988), (7848, 19990), (7996, 19620), (8720, 17991), (9810, 15992), (9995, 15696), (11994, 13080)]