178992840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{641}}^1$

素因数の和:847

約数の個数: 128

約数和(自身を含む): 582422400

約数和(自身を除く): 403429560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 179, 195, 260, 312, 358, 390, 520, 537, 641, 716, 780, 895, 1074, 1282, 1432, 1560, 1790, 1923, 2148, 2327, 2564, 2685, 3205, 3580, 3846, 4296, 4654, 5128, 5370, 6410, 6981, 7160, 7692, 8333, 9308, 9615, 10740, 11635, 12820, 13962, 15384, 16666, 18616, 19230, 21480, 23270, 24999, 25640, 27924, 33332, 34905, 38460, 41665, 46540, 49998, 55848, 66664, 69810, 76920, 83330, 93080, 99996, 114739, 124995, 139620, 166660, 199992, 229478, 249990, 279240, 333320, 344217, 458956, 499980, 573695, 688434, 917912, 999960, 1147390, 1376868, 1491607, 1721085, 2294780, 2753736, 2983214, 3442170, 4474821, 4589560, 5966428, 6884340, 7458035, 8949642, 11932856, 13768680, 14916070, 17899284, 22374105, 29832140, 35798568, 44748210, 59664280, 89496420, 178992840]

約数ペア:

[(1, 178992840), (2, 89496420), (3, 59664280), (4, 44748210), (5, 35798568), (6, 29832140), (8, 22374105), (10, 17899284), (12, 14916070), (13, 13768680), (15, 11932856), (20, 8949642), (24, 7458035), (26, 6884340), (30, 5966428), (39, 4589560), (40, 4474821), (52, 3442170), (60, 2983214), (65, 2753736), (78, 2294780), (104, 1721085), (120, 1491607), (130, 1376868), (156, 1147390), (179, 999960), (195, 917912), (260, 688434), (312, 573695), (358, 499980), (390, 458956), (520, 344217), (537, 333320), (641, 279240), (716, 249990), (780, 229478), (895, 199992), (1074, 166660), (1282, 139620), (1432, 124995), (1560, 114739), (1790, 99996), (1923, 93080), (2148, 83330), (2327, 76920), (2564, 69810), (2685, 66664), (3205, 55848), (3580, 49998), (3846, 46540), (4296, 41665), (4654, 38460), (5128, 34905), (5370, 33332), (6410, 27924), (6981, 25640), (7160, 24999), (7692, 23270), (8333, 21480), (9308, 19230), (9615, 18616), (10740, 16666), (11635, 15384), (12820, 13962)]