28520100

素因数分解:

$2^2\times 3^4\times 5^2\times 7^1\times {\mathrm{503}}^1$

素因数の和:536

約数の個数: 180

約数和(自身を含む): 105868224

約数和(自身を除く): 77348124

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 81, 84, 90, 100, 105, 108, 126, 135, 140, 150, 162, 175, 180, 189, 210, 225, 252, 270, 300, 315, 324, 350, 378, 405, 420, 450, 503, 525, 540, 567, 630, 675, 700, 756, 810, 900, 945, 1006, 1050, 1134, 1260, 1350, 1509, 1575, 1620, 1890, 2012, 2025, 2100, 2268, 2515, 2700, 2835, 3018, 3150, 3521, 3780, 4050, 4527, 4725, 5030, 5670, 6036, 6300, 7042, 7545, 8100, 9054, 9450, 10060, 10563, 11340, 12575, 13581, 14084, 14175, 15090, 17605, 18108, 18900, 21126, 22635, 25150, 27162, 28350, 30180, 31689, 35210, 37725, 40743, 42252, 45270, 50300, 52815, 54324, 56700, 63378, 67905, 70420, 75450, 81486, 88025, 90540, 95067, 105630, 113175, 126756, 135810, 150900, 158445, 162972, 176050, 190134, 203715, 211260, 226350, 264075, 271620, 285201, 316890, 339525, 352100, 380268, 407430, 452700, 475335, 528150, 570402, 633780, 679050, 792225, 814860, 950670, 1018575, 1056300, 1140804, 1358100, 1426005, 1584450, 1901340, 2037150, 2376675, 2852010, 3168900, 4074300, 4753350, 5704020, 7130025, 9506700, 14260050, 28520100]

約数ペア:

[(1, 28520100), (2, 14260050), (3, 9506700), (4, 7130025), (5, 5704020), (6, 4753350), (7, 4074300), (9, 3168900), (10, 2852010), (12, 2376675), (14, 2037150), (15, 1901340), (18, 1584450), (20, 1426005), (21, 1358100), (25, 1140804), (27, 1056300), (28, 1018575), (30, 950670), (35, 814860), (36, 792225), (42, 679050), (45, 633780), (50, 570402), (54, 528150), (60, 475335), (63, 452700), (70, 407430), (75, 380268), (81, 352100), (84, 339525), (90, 316890), (100, 285201), (105, 271620), (108, 264075), (126, 226350), (135, 211260), (140, 203715), (150, 190134), (162, 176050), (175, 162972), (180, 158445), (189, 150900), (210, 135810), (225, 126756), (252, 113175), (270, 105630), (300, 95067), (315, 90540), (324, 88025), (350, 81486), (378, 75450), (405, 70420), (420, 67905), (450, 63378), (503, 56700), (525, 54324), (540, 52815), (567, 50300), (630, 45270), (675, 42252), (700, 40743), (756, 37725), (810, 35210), (900, 31689), (945, 30180), (1006, 28350), (1050, 27162), (1134, 25150), (1260, 22635), (1350, 21126), (1509, 18900), (1575, 18108), (1620, 17605), (1890, 15090), (2012, 14175), (2025, 14084), (2100, 13581), (2268, 12575), (2515, 11340), (2700, 10563), (2835, 10060), (3018, 9450), (3150, 9054), (3521, 8100), (3780, 7545), (4050, 7042), (4527, 6300), (4725, 6036), (5030, 5670)]