15999690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1249}}^1$

素因数の和:1327

約数の個数: 64

約数和(自身を含む): 44640000

約数和(自身を除く): 28640310

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 61, 70, 105, 122, 183, 210, 305, 366, 427, 610, 854, 915, 1249, 1281, 1830, 2135, 2498, 2562, 3747, 4270, 6245, 6405, 7494, 8743, 12490, 12810, 17486, 18735, 26229, 37470, 43715, 52458, 76189, 87430, 131145, 152378, 228567, 262290, 380945, 457134, 533323, 761890, 1066646, 1142835, 1599969, 2285670, 2666615, 3199938, 5333230, 7999845, 15999690]

約数ペア:

[(1, 15999690), (2, 7999845), (3, 5333230), (5, 3199938), (6, 2666615), (7, 2285670), (10, 1599969), (14, 1142835), (15, 1066646), (21, 761890), (30, 533323), (35, 457134), (42, 380945), (61, 262290), (70, 228567), (105, 152378), (122, 131145), (183, 87430), (210, 76189), (305, 52458), (366, 43715), (427, 37470), (610, 26229), (854, 18735), (915, 17486), (1249, 12810), (1281, 12490), (1830, 8743), (2135, 7494), (2498, 6405), (2562, 6245), (3747, 4270)]