201519990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1787}}^1$

素因数の和:1986

約数の個数: 96

約数和(自身を含む): 602484480

約数和(自身を除く): 400964490

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 179, 210, 315, 358, 537, 630, 895, 1074, 1253, 1611, 1787, 1790, 2506, 2685, 3222, 3574, 3759, 5361, 5370, 6265, 7518, 8055, 8935, 10722, 11277, 12509, 12530, 16083, 16110, 17870, 18795, 22554, 25018, 26805, 32166, 37527, 37590, 53610, 56385, 62545, 75054, 80415, 112581, 112770, 125090, 160830, 187635, 225162, 319873, 375270, 562905, 639746, 959619, 1125810, 1599365, 1919238, 2239111, 2878857, 3198730, 4478222, 4798095, 5757714, 6717333, 9596190, 11195555, 13434666, 14394285, 20151999, 22391110, 28788570, 33586665, 40303998, 67173330, 100759995, 201519990]

約数ペア:

[(1, 201519990), (2, 100759995), (3, 67173330), (5, 40303998), (6, 33586665), (7, 28788570), (9, 22391110), (10, 20151999), (14, 14394285), (15, 13434666), (18, 11195555), (21, 9596190), (30, 6717333), (35, 5757714), (42, 4798095), (45, 4478222), (63, 3198730), (70, 2878857), (90, 2239111), (105, 1919238), (126, 1599365), (179, 1125810), (210, 959619), (315, 639746), (358, 562905), (537, 375270), (630, 319873), (895, 225162), (1074, 187635), (1253, 160830), (1611, 125090), (1787, 112770), (1790, 112581), (2506, 80415), (2685, 75054), (3222, 62545), (3574, 56385), (3759, 53610), (5361, 37590), (5370, 37527), (6265, 32166), (7518, 26805), (8055, 25018), (8935, 22554), (10722, 18795), (11277, 17870), (12509, 16110), (12530, 16083)]