1815872580

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{3989}}^1$

素因数の和:4291

約数の個数: 120

約数和(自身を含む): 5718164760

約数和(自身を除く): 3902292180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 281, 324, 405, 540, 562, 810, 843, 1124, 1405, 1620, 1686, 2529, 2810, 3372, 3989, 4215, 5058, 5620, 7587, 7978, 8430, 10116, 11967, 12645, 15174, 15956, 16860, 19945, 22761, 23934, 25290, 30348, 35901, 37935, 39890, 45522, 47868, 50580, 59835, 71802, 75870, 79780, 91044, 107703, 113805, 119670, 143604, 151740, 179505, 215406, 227610, 239340, 323109, 359010, 430812, 455220, 538515, 646218, 718020, 1077030, 1120909, 1292436, 1615545, 2154060, 2241818, 3231090, 3362727, 4483636, 5604545, 6462180, 6725454, 10088181, 11209090, 13450908, 16813635, 20176362, 22418180, 30264543, 33627270, 40352724, 50440905, 60529086, 67254540, 90793629, 100881810, 121058172, 151322715, 181587258, 201763620, 302645430, 363174516, 453968145, 605290860, 907936290, 1815872580]

約数ペア:

[(1, 1815872580), (2, 907936290), (3, 605290860), (4, 453968145), (5, 363174516), (6, 302645430), (9, 201763620), (10, 181587258), (12, 151322715), (15, 121058172), (18, 100881810), (20, 90793629), (27, 67254540), (30, 60529086), (36, 50440905), (45, 40352724), (54, 33627270), (60, 30264543), (81, 22418180), (90, 20176362), (108, 16813635), (135, 13450908), (162, 11209090), (180, 10088181), (270, 6725454), (281, 6462180), (324, 5604545), (405, 4483636), (540, 3362727), (562, 3231090), (810, 2241818), (843, 2154060), (1124, 1615545), (1405, 1292436), (1620, 1120909), (1686, 1077030), (2529, 718020), (2810, 646218), (3372, 538515), (3989, 455220), (4215, 430812), (5058, 359010), (5620, 323109), (7587, 239340), (7978, 227610), (8430, 215406), (10116, 179505), (11967, 151740), (12645, 143604), (15174, 119670), (15956, 113805), (16860, 107703), (19945, 91044), (22761, 79780), (23934, 75870), (25290, 71802), (30348, 59835), (35901, 50580), (37935, 47868), (39890, 45522)]