172889920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{977}}^1$

素因数の和:1080

約数の個数: 112

約数和(自身を含む): 476951040

約数和(自身を除く): 304061120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 79, 80, 112, 140, 158, 160, 224, 280, 316, 320, 395, 448, 553, 560, 632, 790, 977, 1106, 1120, 1264, 1580, 1954, 2212, 2240, 2528, 2765, 3160, 3908, 4424, 4885, 5056, 5530, 6320, 6839, 7816, 8848, 9770, 11060, 12640, 13678, 15632, 17696, 19540, 22120, 25280, 27356, 31264, 34195, 35392, 39080, 44240, 54712, 62528, 68390, 77183, 78160, 88480, 109424, 136780, 154366, 156320, 176960, 218848, 273560, 308732, 312640, 385915, 437696, 540281, 547120, 617464, 771830, 1080562, 1094240, 1234928, 1543660, 2161124, 2188480, 2469856, 2701405, 3087320, 4322248, 4939712, 5402810, 6174640, 8644496, 10805620, 12349280, 17288992, 21611240, 24698560, 34577984, 43222480, 86444960, 172889920]

約数ペア:

[(1, 172889920), (2, 86444960), (4, 43222480), (5, 34577984), (7, 24698560), (8, 21611240), (10, 17288992), (14, 12349280), (16, 10805620), (20, 8644496), (28, 6174640), (32, 5402810), (35, 4939712), (40, 4322248), (56, 3087320), (64, 2701405), (70, 2469856), (79, 2188480), (80, 2161124), (112, 1543660), (140, 1234928), (158, 1094240), (160, 1080562), (224, 771830), (280, 617464), (316, 547120), (320, 540281), (395, 437696), (448, 385915), (553, 312640), (560, 308732), (632, 273560), (790, 218848), (977, 176960), (1106, 156320), (1120, 154366), (1264, 136780), (1580, 109424), (1954, 88480), (2212, 78160), (2240, 77183), (2528, 68390), (2765, 62528), (3160, 54712), (3908, 44240), (4424, 39080), (4885, 35392), (5056, 34195), (5530, 31264), (6320, 27356), (6839, 25280), (7816, 22120), (8848, 19540), (9770, 17696), (11060, 15632), (12640, 13678)]