131294940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16453}}^1$

素因数の和:16491

約数の個数: 96

約数和(自身を含む): 442283520

約数和(自身を除く): 310988580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 16453, 32906, 49359, 65812, 82265, 98718, 115171, 164530, 197436, 230342, 246795, 312607, 329060, 345513, 460684, 493590, 575855, 625214, 691026, 937821, 987180, 1151710, 1250428, 1382052, 1563035, 1727565, 1875642, 2188249, 2303420, 3126070, 3455130, 3751284, 4376498, 4689105, 6252140, 6564747, 6910260, 8752996, 9378210, 10941245, 13129494, 18756420, 21882490, 26258988, 32823735, 43764980, 65647470, 131294940]

約数ペア:

[(1, 131294940), (2, 65647470), (3, 43764980), (4, 32823735), (5, 26258988), (6, 21882490), (7, 18756420), (10, 13129494), (12, 10941245), (14, 9378210), (15, 8752996), (19, 6910260), (20, 6564747), (21, 6252140), (28, 4689105), (30, 4376498), (35, 3751284), (38, 3455130), (42, 3126070), (57, 2303420), (60, 2188249), (70, 1875642), (76, 1727565), (84, 1563035), (95, 1382052), (105, 1250428), (114, 1151710), (133, 987180), (140, 937821), (190, 691026), (210, 625214), (228, 575855), (266, 493590), (285, 460684), (380, 345513), (399, 329060), (420, 312607), (532, 246795), (570, 230342), (665, 197436), (798, 164530), (1140, 115171), (1330, 98718), (1596, 82265), (1995, 65812), (2660, 49359), (3990, 32906), (7980, 16453)]