27905640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:399

約数の個数: 128

約数和(自身を含む): 96768000

約数和(自身を除く): 68862360

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, 105, 120, 139, 140, 168, 210, 239, 278, 280, 417, 420, 478, 556, 695, 717, 834, 840, 956, 973, 1112, 1195, 1390, 1434, 1668, 1673, 1912, 1946, 2085, 2390, 2780, 2868, 2919, 3336, 3346, 3585, 3892, 4170, 4780, 4865, 5019, 5560, 5736, 5838, 6692, 7170, 7784, 8340, 8365, 9560, 9730, 10038, 11676, 13384, 14340, 14595, 16680, 16730, 19460, 20076, 23352, 25095, 28680, 29190, 33221, 33460, 38920, 40152, 50190, 58380, 66442, 66920, 99663, 100380, 116760, 132884, 166105, 199326, 200760, 232547, 265768, 332210, 398652, 465094, 498315, 664420, 697641, 797304, 930188, 996630, 1162735, 1328840, 1395282, 1860376, 1993260, 2325470, 2790564, 3488205, 3986520, 4650940, 5581128, 6976410, 9301880, 13952820, 27905640]

約数ペア:

[(1, 27905640), (2, 13952820), (3, 9301880), (4, 6976410), (5, 5581128), (6, 4650940), (7, 3986520), (8, 3488205), (10, 2790564), (12, 2325470), (14, 1993260), (15, 1860376), (20, 1395282), (21, 1328840), (24, 1162735), (28, 996630), (30, 930188), (35, 797304), (40, 697641), (42, 664420), (56, 498315), (60, 465094), (70, 398652), (84, 332210), (105, 265768), (120, 232547), (139, 200760), (140, 199326), (168, 166105), (210, 132884), (239, 116760), (278, 100380), (280, 99663), (417, 66920), (420, 66442), (478, 58380), (556, 50190), (695, 40152), (717, 38920), (834, 33460), (840, 33221), (956, 29190), (973, 28680), (1112, 25095), (1195, 23352), (1390, 20076), (1434, 19460), (1668, 16730), (1673, 16680), (1912, 14595), (1946, 14340), (2085, 13384), (2390, 11676), (2780, 10038), (2868, 9730), (2919, 9560), (3336, 8365), (3346, 8340), (3585, 7784), (3892, 7170), (4170, 6692), (4780, 5838), (4865, 5736), (5019, 5560)]