641462760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4273}}^1$

素因数の和:4432

約数の個数: 128

約数和(自身を含む): 2154096000

約数和(自身を除く): 1512633240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 139, 180, 216, 270, 278, 360, 417, 540, 556, 695, 834, 1080, 1112, 1251, 1390, 1668, 2085, 2502, 2780, 3336, 3753, 4170, 4273, 5004, 5560, 6255, 7506, 8340, 8546, 10008, 12510, 12819, 15012, 16680, 17092, 18765, 21365, 25020, 25638, 30024, 34184, 37530, 38457, 42730, 50040, 51276, 64095, 75060, 76914, 85460, 102552, 115371, 128190, 150120, 153828, 170920, 192285, 230742, 256380, 307656, 384570, 461484, 512760, 576855, 593947, 769140, 922968, 1153710, 1187894, 1538280, 1781841, 2307420, 2375788, 2969735, 3563682, 4614840, 4751576, 5345523, 5939470, 7127364, 8909205, 10691046, 11878940, 14254728, 16036569, 17818410, 21382092, 23757880, 26727615, 32073138, 35636820, 42764184, 53455230, 64146276, 71273640, 80182845, 106910460, 128292552, 160365690, 213820920, 320731380, 641462760]

約数ペア:

[(1, 641462760), (2, 320731380), (3, 213820920), (4, 160365690), (5, 128292552), (6, 106910460), (8, 80182845), (9, 71273640), (10, 64146276), (12, 53455230), (15, 42764184), (18, 35636820), (20, 32073138), (24, 26727615), (27, 23757880), (30, 21382092), (36, 17818410), (40, 16036569), (45, 14254728), (54, 11878940), (60, 10691046), (72, 8909205), (90, 7127364), (108, 5939470), (120, 5345523), (135, 4751576), (139, 4614840), (180, 3563682), (216, 2969735), (270, 2375788), (278, 2307420), (360, 1781841), (417, 1538280), (540, 1187894), (556, 1153710), (695, 922968), (834, 769140), (1080, 593947), (1112, 576855), (1251, 512760), (1390, 461484), (1668, 384570), (2085, 307656), (2502, 256380), (2780, 230742), (3336, 192285), (3753, 170920), (4170, 153828), (4273, 150120), (5004, 128190), (5560, 115371), (6255, 102552), (7506, 85460), (8340, 76914), (8546, 75060), (10008, 64095), (12510, 51276), (12819, 50040), (15012, 42730), (16680, 38457), (17092, 37530), (18765, 34184), (21365, 30024), (25020, 25638)]