888995280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1999}}^1$

素因数の和:2141

約数の個数: 160

約数和(自身を含む): 2946240000

約数和(自身を除く): 2057244720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 109, 120, 136, 170, 204, 218, 240, 255, 272, 327, 340, 408, 436, 510, 545, 654, 680, 816, 872, 1020, 1090, 1308, 1360, 1635, 1744, 1853, 1999, 2040, 2180, 2616, 3270, 3706, 3998, 4080, 4360, 5232, 5559, 5997, 6540, 7412, 7996, 8720, 9265, 9995, 11118, 11994, 13080, 14824, 15992, 18530, 19990, 22236, 23988, 26160, 27795, 29648, 29985, 31984, 33983, 37060, 39980, 44472, 47976, 55590, 59970, 67966, 74120, 79960, 88944, 95952, 101949, 111180, 119940, 135932, 148240, 159920, 169915, 203898, 217891, 222360, 239880, 271864, 339830, 407796, 435782, 444720, 479760, 509745, 543728, 653673, 679660, 815592, 871564, 1019490, 1089455, 1307346, 1359320, 1631184, 1743128, 2038980, 2178910, 2614692, 2718640, 3268365, 3486256, 3704147, 4077960, 4357820, 5229384, 6536730, 7408294, 8155920, 8715640, 10458768, 11112441, 13073460, 14816588, 17431280, 18520735, 22224882, 26146920, 29633176, 37041470, 44449764, 52293840, 55562205, 59266352, 74082940, 88899528, 111124410, 148165880, 177799056, 222248820, 296331760, 444497640, 888995280]

約数ペア:

[(1, 888995280), (2, 444497640), (3, 296331760), (4, 222248820), (5, 177799056), (6, 148165880), (8, 111124410), (10, 88899528), (12, 74082940), (15, 59266352), (16, 55562205), (17, 52293840), (20, 44449764), (24, 37041470), (30, 29633176), (34, 26146920), (40, 22224882), (48, 18520735), (51, 17431280), (60, 14816588), (68, 13073460), (80, 11112441), (85, 10458768), (102, 8715640), (109, 8155920), (120, 7408294), (136, 6536730), (170, 5229384), (204, 4357820), (218, 4077960), (240, 3704147), (255, 3486256), (272, 3268365), (327, 2718640), (340, 2614692), (408, 2178910), (436, 2038980), (510, 1743128), (545, 1631184), (654, 1359320), (680, 1307346), (816, 1089455), (872, 1019490), (1020, 871564), (1090, 815592), (1308, 679660), (1360, 653673), (1635, 543728), (1744, 509745), (1853, 479760), (1999, 444720), (2040, 435782), (2180, 407796), (2616, 339830), (3270, 271864), (3706, 239880), (3998, 222360), (4080, 217891), (4360, 203898), (5232, 169915), (5559, 159920), (5997, 148240), (6540, 135932), (7412, 119940), (7996, 111180), (8720, 101949), (9265, 95952), (9995, 88944), (11118, 79960), (11994, 74120), (13080, 67966), (14824, 59970), (15992, 55590), (18530, 47976), (19990, 44472), (22236, 39980), (23988, 37060), (26160, 33983), (27795, 31984), (29648, 29985)]