31668840

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:157

約数の個数: 256

約数和(自身を含む): 124416000

約数和(自身を除く): 92747160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 59, 60, 63, 70, 71, 72, 84, 90, 105, 108, 118, 120, 126, 135, 140, 142, 168, 177, 180, 189, 210, 213, 216, 236, 252, 270, 280, 284, 295, 315, 354, 355, 360, 378, 413, 420, 426, 472, 497, 504, 531, 540, 568, 590, 630, 639, 708, 710, 756, 826, 840, 852, 885, 945, 994, 1062, 1065, 1080, 1180, 1239, 1260, 1278, 1416, 1420, 1491, 1512, 1593, 1652, 1704, 1770, 1890, 1917, 1988, 2065, 2124, 2130, 2360, 2478, 2485, 2520, 2556, 2655, 2840, 2982, 3186, 3195, 3304, 3540, 3717, 3780, 3834, 3976, 4130, 4189, 4248, 4260, 4473, 4956, 4970, 5112, 5310, 5964, 6195, 6372, 6390, 7080, 7434, 7455, 7560, 7668, 7965, 8260, 8378, 8520, 8946, 9585, 9912, 9940, 10620, 11151, 11928, 12390, 12567, 12744, 12780, 13419, 14868, 14910, 15336, 15930, 16520, 16756, 17892, 18585, 19170, 19880, 20945, 21240, 22302, 22365, 24780, 25134, 25560, 26838, 29323, 29736, 29820, 31860, 33512, 35784, 37170, 37701, 38340, 41890, 44604, 44730, 49560, 50268, 53676, 55755, 58646, 59640, 62835, 63720, 67095, 74340, 75402, 76680, 83780, 87969, 89208, 89460, 100536, 107352, 111510, 113103, 117292, 125670, 134190, 146615, 148680, 150804, 167560, 175938, 178920, 188505, 223020, 226206, 234584, 251340, 263907, 268380, 293230, 301608, 351876, 377010, 439845, 446040, 452412, 502680, 527814, 536760, 565515, 586460, 703752, 754020, 791721, 879690, 904824, 1055628, 1131030, 1172920, 1319535, 1508040, 1583442, 1759380, 2111256, 2262060, 2639070, 3166884, 3518760, 3958605, 4524120, 5278140, 6333768, 7917210, 10556280, 15834420, 31668840]

約数ペア:

[(1, 31668840), (2, 15834420), (3, 10556280), (4, 7917210), (5, 6333768), (6, 5278140), (7, 4524120), (8, 3958605), (9, 3518760), (10, 3166884), (12, 2639070), (14, 2262060), (15, 2111256), (18, 1759380), (20, 1583442), (21, 1508040), (24, 1319535), (27, 1172920), (28, 1131030), (30, 1055628), (35, 904824), (36, 879690), (40, 791721), (42, 754020), (45, 703752), (54, 586460), (56, 565515), (59, 536760), (60, 527814), (63, 502680), (70, 452412), (71, 446040), (72, 439845), (84, 377010), (90, 351876), (105, 301608), (108, 293230), (118, 268380), (120, 263907), (126, 251340), (135, 234584), (140, 226206), (142, 223020), (168, 188505), (177, 178920), (180, 175938), (189, 167560), (210, 150804), (213, 148680), (216, 146615), (236, 134190), (252, 125670), (270, 117292), (280, 113103), (284, 111510), (295, 107352), (315, 100536), (354, 89460), (355, 89208), (360, 87969), (378, 83780), (413, 76680), (420, 75402), (426, 74340), (472, 67095), (497, 63720), (504, 62835), (531, 59640), (540, 58646), (568, 55755), (590, 53676), (630, 50268), (639, 49560), (708, 44730), (710, 44604), (756, 41890), (826, 38340), (840, 37701), (852, 37170), (885, 35784), (945, 33512), (994, 31860), (1062, 29820), (1065, 29736), (1080, 29323), (1180, 26838), (1239, 25560), (1260, 25134), (1278, 24780), (1416, 22365), (1420, 22302), (1491, 21240), (1512, 20945), (1593, 19880), (1652, 19170), (1704, 18585), (1770, 17892), (1890, 16756), (1917, 16520), (1988, 15930), (2065, 15336), (2124, 14910), (2130, 14868), (2360, 13419), (2478, 12780), (2485, 12744), (2520, 12567), (2556, 12390), (2655, 11928), (2840, 11151), (2982, 10620), (3186, 9940), (3195, 9912), (3304, 9585), (3540, 8946), (3717, 8520), (3780, 8378), (3834, 8260), (3976, 7965), (4130, 7668), (4189, 7560), (4248, 7455), (4260, 7434), (4473, 7080), (4956, 6390), (4970, 6372), (5112, 6195), (5310, 5964)]