127429960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1409}}^1$

素因数の和:1463

約数の個数: 128

約数和(自身を含む): 365472000

約数和(自身を除く): 238042040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 19, 20, 28, 34, 35, 38, 40, 56, 68, 70, 76, 85, 95, 119, 133, 136, 140, 152, 170, 190, 238, 266, 280, 323, 340, 380, 476, 532, 595, 646, 665, 680, 760, 952, 1064, 1190, 1292, 1330, 1409, 1615, 2261, 2380, 2584, 2660, 2818, 3230, 4522, 4760, 5320, 5636, 6460, 7045, 9044, 9863, 11272, 11305, 12920, 14090, 18088, 19726, 22610, 23953, 26771, 28180, 39452, 45220, 47906, 49315, 53542, 56360, 78904, 90440, 95812, 98630, 107084, 119765, 133855, 167671, 187397, 191624, 197260, 214168, 239530, 267710, 335342, 374794, 394520, 455107, 479060, 535420, 670684, 749588, 838355, 910214, 936985, 958120, 1070840, 1341368, 1499176, 1676710, 1820428, 1873970, 2275535, 3185749, 3353420, 3640856, 3747940, 4551070, 6371498, 6706840, 7495880, 9102140, 12742996, 15928745, 18204280, 25485992, 31857490, 63714980, 127429960]

約数ペア:

[(1, 127429960), (2, 63714980), (4, 31857490), (5, 25485992), (7, 18204280), (8, 15928745), (10, 12742996), (14, 9102140), (17, 7495880), (19, 6706840), (20, 6371498), (28, 4551070), (34, 3747940), (35, 3640856), (38, 3353420), (40, 3185749), (56, 2275535), (68, 1873970), (70, 1820428), (76, 1676710), (85, 1499176), (95, 1341368), (119, 1070840), (133, 958120), (136, 936985), (140, 910214), (152, 838355), (170, 749588), (190, 670684), (238, 535420), (266, 479060), (280, 455107), (323, 394520), (340, 374794), (380, 335342), (476, 267710), (532, 239530), (595, 214168), (646, 197260), (665, 191624), (680, 187397), (760, 167671), (952, 133855), (1064, 119765), (1190, 107084), (1292, 98630), (1330, 95812), (1409, 90440), (1615, 78904), (2261, 56360), (2380, 53542), (2584, 49315), (2660, 47906), (2818, 45220), (3230, 39452), (4522, 28180), (4760, 26771), (5320, 23953), (5636, 22610), (6460, 19726), (7045, 18088), (9044, 14090), (9863, 12920), (11272, 11305)]