15491420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1$

素因数の和:339

約数の個数: 96

約数和(自身を含む): 41223168

約数和(自身を除く): 25731748

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 23, 28, 34, 35, 46, 68, 70, 85, 92, 115, 119, 140, 161, 170, 230, 238, 283, 322, 340, 391, 460, 476, 566, 595, 644, 782, 805, 1132, 1190, 1415, 1564, 1610, 1955, 1981, 2380, 2737, 2830, 3220, 3910, 3962, 4811, 5474, 5660, 6509, 7820, 7924, 9622, 9905, 10948, 13018, 13685, 19244, 19810, 24055, 26036, 27370, 32545, 33677, 39620, 45563, 48110, 54740, 65090, 67354, 91126, 96220, 110653, 130180, 134708, 168385, 182252, 221306, 227815, 336770, 442612, 455630, 553265, 673540, 774571, 911260, 1106530, 1549142, 2213060, 3098284, 3872855, 7745710, 15491420]

約数ペア:

[(1, 15491420), (2, 7745710), (4, 3872855), (5, 3098284), (7, 2213060), (10, 1549142), (14, 1106530), (17, 911260), (20, 774571), (23, 673540), (28, 553265), (34, 455630), (35, 442612), (46, 336770), (68, 227815), (70, 221306), (85, 182252), (92, 168385), (115, 134708), (119, 130180), (140, 110653), (161, 96220), (170, 91126), (230, 67354), (238, 65090), (283, 54740), (322, 48110), (340, 45563), (391, 39620), (460, 33677), (476, 32545), (566, 27370), (595, 26036), (644, 24055), (782, 19810), (805, 19244), (1132, 13685), (1190, 13018), (1415, 10948), (1564, 9905), (1610, 9622), (1955, 7924), (1981, 7820), (2380, 6509), (2737, 5660), (2830, 5474), (3220, 4811), (3910, 3962)]