28412580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1109}}^1$

素因数の和:1189

約数の個数: 96

約数和(自身を含む): 92494080

約数和(自身を除く): 64081500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 61, 70, 84, 105, 122, 140, 183, 210, 244, 305, 366, 420, 427, 610, 732, 854, 915, 1109, 1220, 1281, 1708, 1830, 2135, 2218, 2562, 3327, 3660, 4270, 4436, 5124, 5545, 6405, 6654, 7763, 8540, 11090, 12810, 13308, 15526, 16635, 22180, 23289, 25620, 31052, 33270, 38815, 46578, 66540, 67649, 77630, 93156, 116445, 135298, 155260, 202947, 232890, 270596, 338245, 405894, 465780, 473543, 676490, 811788, 947086, 1014735, 1352980, 1420629, 1894172, 2029470, 2367715, 2841258, 4058940, 4735430, 5682516, 7103145, 9470860, 14206290, 28412580]

約数ペア:

[(1, 28412580), (2, 14206290), (3, 9470860), (4, 7103145), (5, 5682516), (6, 4735430), (7, 4058940), (10, 2841258), (12, 2367715), (14, 2029470), (15, 1894172), (20, 1420629), (21, 1352980), (28, 1014735), (30, 947086), (35, 811788), (42, 676490), (60, 473543), (61, 465780), (70, 405894), (84, 338245), (105, 270596), (122, 232890), (140, 202947), (183, 155260), (210, 135298), (244, 116445), (305, 93156), (366, 77630), (420, 67649), (427, 66540), (610, 46578), (732, 38815), (854, 33270), (915, 31052), (1109, 25620), (1220, 23289), (1281, 22180), (1708, 16635), (1830, 15526), (2135, 13308), (2218, 12810), (2562, 11090), (3327, 8540), (3660, 7763), (4270, 6654), (4436, 6405), (5124, 5545)]