31374720

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1$

素因数の和:457

約数の個数: 192

約数和(自身を含む): 116953200

約数和(自身を除く): 85578480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 128, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 260, 288, 312, 320, 360, 384, 390, 416, 419, 468, 480, 520, 576, 585, 624, 640, 720, 780, 832, 838, 936, 960, 1040, 1152, 1170, 1248, 1257, 1440, 1560, 1664, 1676, 1872, 1920, 2080, 2095, 2340, 2496, 2514, 2880, 3120, 3352, 3744, 3771, 4160, 4190, 4680, 4992, 5028, 5447, 5760, 6240, 6285, 6704, 7488, 7542, 8320, 8380, 9360, 10056, 10894, 12480, 12570, 13408, 14976, 15084, 16341, 16760, 18720, 18855, 20112, 21788, 24960, 25140, 26816, 27235, 30168, 32682, 33520, 37440, 37710, 40224, 43576, 49023, 50280, 53632, 54470, 60336, 65364, 67040, 74880, 75420, 80448, 81705, 87152, 98046, 100560, 108940, 120672, 130728, 134080, 150840, 160896, 163410, 174304, 196092, 201120, 217880, 241344, 245115, 261456, 268160, 301680, 326820, 348608, 392184, 402240, 435760, 482688, 490230, 522912, 603360, 653640, 697216, 784368, 804480, 871520, 980460, 1045824, 1206720, 1307280, 1568736, 1743040, 1960920, 2091648, 2413440, 2614560, 3137472, 3486080, 3921840, 5229120, 6274944, 7843680, 10458240, 15687360, 31374720]

約数ペア:

[(1, 31374720), (2, 15687360), (3, 10458240), (4, 7843680), (5, 6274944), (6, 5229120), (8, 3921840), (9, 3486080), (10, 3137472), (12, 2614560), (13, 2413440), (15, 2091648), (16, 1960920), (18, 1743040), (20, 1568736), (24, 1307280), (26, 1206720), (30, 1045824), (32, 980460), (36, 871520), (39, 804480), (40, 784368), (45, 697216), (48, 653640), (52, 603360), (60, 522912), (64, 490230), (65, 482688), (72, 435760), (78, 402240), (80, 392184), (90, 348608), (96, 326820), (104, 301680), (117, 268160), (120, 261456), (128, 245115), (130, 241344), (144, 217880), (156, 201120), (160, 196092), (180, 174304), (192, 163410), (195, 160896), (208, 150840), (234, 134080), (240, 130728), (260, 120672), (288, 108940), (312, 100560), (320, 98046), (360, 87152), (384, 81705), (390, 80448), (416, 75420), (419, 74880), (468, 67040), (480, 65364), (520, 60336), (576, 54470), (585, 53632), (624, 50280), (640, 49023), (720, 43576), (780, 40224), (832, 37710), (838, 37440), (936, 33520), (960, 32682), (1040, 30168), (1152, 27235), (1170, 26816), (1248, 25140), (1257, 24960), (1440, 21788), (1560, 20112), (1664, 18855), (1676, 18720), (1872, 16760), (1920, 16341), (2080, 15084), (2095, 14976), (2340, 13408), (2496, 12570), (2514, 12480), (2880, 10894), (3120, 10056), (3352, 9360), (3744, 8380), (3771, 8320), (4160, 7542), (4190, 7488), (4680, 6704), (4992, 6285), (5028, 6240), (5447, 5760)]