28240800

素因数分解:

$2^5\times 3^1\times 5^2\times 7^1\times {\mathrm{41}}^2$

素因数の和:112

約数の個数: 216

約数和(自身を含む): 107680608

約数和(自身を除く): 79439808

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 41, 42, 48, 50, 56, 60, 70, 75, 80, 82, 84, 96, 100, 105, 112, 120, 123, 140, 150, 160, 164, 168, 175, 200, 205, 210, 224, 240, 246, 280, 287, 300, 328, 336, 350, 400, 410, 420, 480, 492, 525, 560, 574, 600, 615, 656, 672, 700, 800, 820, 840, 861, 984, 1025, 1050, 1120, 1148, 1200, 1230, 1312, 1400, 1435, 1640, 1680, 1681, 1722, 1968, 2050, 2100, 2296, 2400, 2460, 2800, 2870, 3075, 3280, 3360, 3362, 3444, 3936, 4100, 4200, 4305, 4592, 4920, 5043, 5600, 5740, 6150, 6560, 6724, 6888, 7175, 8200, 8400, 8405, 8610, 9184, 9840, 10086, 11480, 11767, 12300, 13448, 13776, 14350, 16400, 16800, 16810, 17220, 19680, 20172, 21525, 22960, 23534, 24600, 25215, 26896, 27552, 28700, 32800, 33620, 34440, 35301, 40344, 42025, 43050, 45920, 47068, 49200, 50430, 53792, 57400, 58835, 67240, 68880, 70602, 80688, 84050, 86100, 94136, 98400, 100860, 114800, 117670, 126075, 134480, 137760, 141204, 161376, 168100, 172200, 176505, 188272, 201720, 229600, 235340, 252150, 268960, 282408, 294175, 336200, 344400, 353010, 376544, 403440, 470680, 504300, 564816, 588350, 672400, 688800, 706020, 806880, 882525, 941360, 1008600, 1129632, 1176700, 1344800, 1412040, 1765050, 1882720, 2017200, 2353400, 2824080, 3530100, 4034400, 4706800, 5648160, 7060200, 9413600, 14120400, 28240800]

約数ペア:

[(1, 28240800), (2, 14120400), (3, 9413600), (4, 7060200), (5, 5648160), (6, 4706800), (7, 4034400), (8, 3530100), (10, 2824080), (12, 2353400), (14, 2017200), (15, 1882720), (16, 1765050), (20, 1412040), (21, 1344800), (24, 1176700), (25, 1129632), (28, 1008600), (30, 941360), (32, 882525), (35, 806880), (40, 706020), (41, 688800), (42, 672400), (48, 588350), (50, 564816), (56, 504300), (60, 470680), (70, 403440), (75, 376544), (80, 353010), (82, 344400), (84, 336200), (96, 294175), (100, 282408), (105, 268960), (112, 252150), (120, 235340), (123, 229600), (140, 201720), (150, 188272), (160, 176505), (164, 172200), (168, 168100), (175, 161376), (200, 141204), (205, 137760), (210, 134480), (224, 126075), (240, 117670), (246, 114800), (280, 100860), (287, 98400), (300, 94136), (328, 86100), (336, 84050), (350, 80688), (400, 70602), (410, 68880), (420, 67240), (480, 58835), (492, 57400), (525, 53792), (560, 50430), (574, 49200), (600, 47068), (615, 45920), (656, 43050), (672, 42025), (700, 40344), (800, 35301), (820, 34440), (840, 33620), (861, 32800), (984, 28700), (1025, 27552), (1050, 26896), (1120, 25215), (1148, 24600), (1200, 23534), (1230, 22960), (1312, 21525), (1400, 20172), (1435, 19680), (1640, 17220), (1680, 16810), (1681, 16800), (1722, 16400), (1968, 14350), (2050, 13776), (2100, 13448), (2296, 12300), (2400, 11767), (2460, 11480), (2800, 10086), (2870, 9840), (3075, 9184), (3280, 8610), (3360, 8405), (3362, 8400), (3444, 8200), (3936, 7175), (4100, 6888), (4200, 6724), (4305, 6560), (4592, 6150), (4920, 5740), (5043, 5600)]