31380960

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:185

約数の個数: 192

約数和(自身を含む): 109734912

約数和(自身を除く): 78353952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 47, 48, 52, 60, 65, 78, 80, 94, 96, 104, 107, 120, 130, 141, 156, 160, 188, 195, 208, 214, 235, 240, 260, 282, 312, 321, 376, 390, 416, 428, 470, 480, 520, 535, 564, 611, 624, 642, 705, 752, 780, 856, 940, 1040, 1070, 1128, 1222, 1248, 1284, 1391, 1410, 1504, 1560, 1605, 1712, 1833, 1880, 2080, 2140, 2256, 2444, 2568, 2782, 2820, 3055, 3120, 3210, 3424, 3666, 3760, 4173, 4280, 4512, 4888, 5029, 5136, 5564, 5640, 6110, 6240, 6420, 6955, 7332, 7520, 8346, 8560, 9165, 9776, 10058, 10272, 11128, 11280, 12220, 12840, 13910, 14664, 15087, 16692, 17120, 18330, 19552, 20116, 20865, 22256, 22560, 24440, 25145, 25680, 27820, 29328, 30174, 33384, 36660, 40232, 41730, 44512, 48880, 50290, 51360, 55640, 58656, 60348, 65377, 66768, 73320, 75435, 80464, 83460, 97760, 100580, 111280, 120696, 130754, 133536, 146640, 150870, 160928, 166920, 196131, 201160, 222560, 241392, 261508, 293280, 301740, 326885, 333840, 392262, 402320, 482784, 523016, 603480, 653770, 667680, 784524, 804640, 980655, 1046032, 1206960, 1307540, 1569048, 1961310, 2092064, 2413920, 2615080, 3138096, 3922620, 5230160, 6276192, 7845240, 10460320, 15690480, 31380960]

約数ペア:

[(1, 31380960), (2, 15690480), (3, 10460320), (4, 7845240), (5, 6276192), (6, 5230160), (8, 3922620), (10, 3138096), (12, 2615080), (13, 2413920), (15, 2092064), (16, 1961310), (20, 1569048), (24, 1307540), (26, 1206960), (30, 1046032), (32, 980655), (39, 804640), (40, 784524), (47, 667680), (48, 653770), (52, 603480), (60, 523016), (65, 482784), (78, 402320), (80, 392262), (94, 333840), (96, 326885), (104, 301740), (107, 293280), (120, 261508), (130, 241392), (141, 222560), (156, 201160), (160, 196131), (188, 166920), (195, 160928), (208, 150870), (214, 146640), (235, 133536), (240, 130754), (260, 120696), (282, 111280), (312, 100580), (321, 97760), (376, 83460), (390, 80464), (416, 75435), (428, 73320), (470, 66768), (480, 65377), (520, 60348), (535, 58656), (564, 55640), (611, 51360), (624, 50290), (642, 48880), (705, 44512), (752, 41730), (780, 40232), (856, 36660), (940, 33384), (1040, 30174), (1070, 29328), (1128, 27820), (1222, 25680), (1248, 25145), (1284, 24440), (1391, 22560), (1410, 22256), (1504, 20865), (1560, 20116), (1605, 19552), (1712, 18330), (1833, 17120), (1880, 16692), (2080, 15087), (2140, 14664), (2256, 13910), (2444, 12840), (2568, 12220), (2782, 11280), (2820, 11128), (3055, 10272), (3120, 10058), (3210, 9776), (3424, 9165), (3666, 8560), (3760, 8346), (4173, 7520), (4280, 7332), (4512, 6955), (4888, 6420), (5029, 6240), (5136, 6110), (5564, 5640)]