28633080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{383}}^1$

素因数の和:493

約数の個数: 128

約数和(自身を含む): 99532800

約数和(自身を除く): 70899720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 89, 105, 120, 140, 168, 178, 210, 267, 280, 356, 383, 420, 445, 534, 623, 712, 766, 840, 890, 1068, 1149, 1246, 1335, 1532, 1780, 1869, 1915, 2136, 2298, 2492, 2670, 2681, 3064, 3115, 3560, 3738, 3830, 4596, 4984, 5340, 5362, 5745, 6230, 7476, 7660, 8043, 9192, 9345, 10680, 10724, 11490, 12460, 13405, 14952, 15320, 16086, 18690, 21448, 22980, 24920, 26810, 32172, 34087, 37380, 40215, 45960, 53620, 64344, 68174, 74760, 80430, 102261, 107240, 136348, 160860, 170435, 204522, 238609, 272696, 321720, 340870, 409044, 477218, 511305, 681740, 715827, 818088, 954436, 1022610, 1193045, 1363480, 1431654, 1908872, 2045220, 2386090, 2863308, 3579135, 4090440, 4772180, 5726616, 7158270, 9544360, 14316540, 28633080]

約数ペア:

[(1, 28633080), (2, 14316540), (3, 9544360), (4, 7158270), (5, 5726616), (6, 4772180), (7, 4090440), (8, 3579135), (10, 2863308), (12, 2386090), (14, 2045220), (15, 1908872), (20, 1431654), (21, 1363480), (24, 1193045), (28, 1022610), (30, 954436), (35, 818088), (40, 715827), (42, 681740), (56, 511305), (60, 477218), (70, 409044), (84, 340870), (89, 321720), (105, 272696), (120, 238609), (140, 204522), (168, 170435), (178, 160860), (210, 136348), (267, 107240), (280, 102261), (356, 80430), (383, 74760), (420, 68174), (445, 64344), (534, 53620), (623, 45960), (712, 40215), (766, 37380), (840, 34087), (890, 32172), (1068, 26810), (1149, 24920), (1246, 22980), (1335, 21448), (1532, 18690), (1780, 16086), (1869, 15320), (1915, 14952), (2136, 13405), (2298, 12460), (2492, 11490), (2670, 10724), (2681, 10680), (3064, 9345), (3115, 9192), (3560, 8043), (3738, 7660), (3830, 7476), (4596, 6230), (4984, 5745), (5340, 5362)]