55811280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:401

約数の個数: 160

約数和(自身を含む): 199987200

約数和(自身を除く): 144175920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 139, 140, 168, 210, 239, 240, 278, 280, 336, 417, 420, 478, 556, 560, 695, 717, 834, 840, 956, 973, 1112, 1195, 1390, 1434, 1668, 1673, 1680, 1912, 1946, 2085, 2224, 2390, 2780, 2868, 2919, 3336, 3346, 3585, 3824, 3892, 4170, 4780, 4865, 5019, 5560, 5736, 5838, 6672, 6692, 7170, 7784, 8340, 8365, 9560, 9730, 10038, 11120, 11472, 11676, 13384, 14340, 14595, 15568, 16680, 16730, 19120, 19460, 20076, 23352, 25095, 26768, 28680, 29190, 33221, 33360, 33460, 38920, 40152, 46704, 50190, 57360, 58380, 66442, 66920, 77840, 80304, 99663, 100380, 116760, 132884, 133840, 166105, 199326, 200760, 232547, 233520, 265768, 332210, 398652, 401520, 465094, 498315, 531536, 664420, 697641, 797304, 930188, 996630, 1162735, 1328840, 1395282, 1594608, 1860376, 1993260, 2325470, 2657680, 2790564, 3488205, 3720752, 3986520, 4650940, 5581128, 6976410, 7973040, 9301880, 11162256, 13952820, 18603760, 27905640, 55811280]

約数ペア:

[(1, 55811280), (2, 27905640), (3, 18603760), (4, 13952820), (5, 11162256), (6, 9301880), (7, 7973040), (8, 6976410), (10, 5581128), (12, 4650940), (14, 3986520), (15, 3720752), (16, 3488205), (20, 2790564), (21, 2657680), (24, 2325470), (28, 1993260), (30, 1860376), (35, 1594608), (40, 1395282), (42, 1328840), (48, 1162735), (56, 996630), (60, 930188), (70, 797304), (80, 697641), (84, 664420), (105, 531536), (112, 498315), (120, 465094), (139, 401520), (140, 398652), (168, 332210), (210, 265768), (239, 233520), (240, 232547), (278, 200760), (280, 199326), (336, 166105), (417, 133840), (420, 132884), (478, 116760), (556, 100380), (560, 99663), (695, 80304), (717, 77840), (834, 66920), (840, 66442), (956, 58380), (973, 57360), (1112, 50190), (1195, 46704), (1390, 40152), (1434, 38920), (1668, 33460), (1673, 33360), (1680, 33221), (1912, 29190), (1946, 28680), (2085, 26768), (2224, 25095), (2390, 23352), (2780, 20076), (2868, 19460), (2919, 19120), (3336, 16730), (3346, 16680), (3585, 15568), (3824, 14595), (3892, 14340), (4170, 13384), (4780, 11676), (4865, 11472), (5019, 11120), (5560, 10038), (5736, 9730), (5838, 9560), (6672, 8365), (6692, 8340), (7170, 7784)]