78436800

素因数分解:

$2^6\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{419}}^1$

素因数の和:460

約数の個数: 252

約数和(自身を含む): 300944280

約数和(自身を除く): 222507480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 25, 26, 30, 32, 36, 39, 40, 45, 48, 50, 52, 60, 64, 65, 72, 75, 78, 80, 90, 96, 100, 104, 117, 120, 130, 144, 150, 156, 160, 180, 192, 195, 200, 208, 225, 234, 240, 260, 288, 300, 312, 320, 325, 360, 390, 400, 416, 419, 450, 468, 480, 520, 576, 585, 600, 624, 650, 720, 780, 800, 832, 838, 900, 936, 960, 975, 1040, 1170, 1200, 1248, 1257, 1300, 1440, 1560, 1600, 1676, 1800, 1872, 1950, 2080, 2095, 2340, 2400, 2496, 2514, 2600, 2880, 2925, 3120, 3352, 3600, 3744, 3771, 3900, 4160, 4190, 4680, 4800, 5028, 5200, 5447, 5850, 6240, 6285, 6704, 7200, 7488, 7542, 7800, 8380, 9360, 10056, 10400, 10475, 10894, 11700, 12480, 12570, 13408, 14400, 15084, 15600, 16341, 16760, 18720, 18855, 20112, 20800, 20950, 21788, 23400, 25140, 26816, 27235, 30168, 31200, 31425, 32682, 33520, 37440, 37710, 40224, 41900, 43576, 46800, 49023, 50280, 54470, 60336, 62400, 62850, 65364, 67040, 75420, 80448, 81705, 83800, 87152, 93600, 94275, 98046, 100560, 108940, 120672, 125700, 130728, 134080, 136175, 150840, 163410, 167600, 174304, 187200, 188550, 196092, 201120, 217880, 241344, 245115, 251400, 261456, 272350, 301680, 326820, 335200, 348608, 377100, 392184, 402240, 408525, 435760, 490230, 502800, 522912, 544700, 603360, 653640, 670400, 754200, 784368, 817050, 871520, 980460, 1005600, 1045824, 1089400, 1206720, 1225575, 1307280, 1508400, 1568736, 1634100, 1743040, 1960920, 2011200, 2178800, 2451150, 2614560, 3016800, 3137472, 3268200, 3921840, 4357600, 4902300, 5229120, 6033600, 6536400, 7843680, 8715200, 9804600, 13072800, 15687360, 19609200, 26145600, 39218400, 78436800]

約数ペア:

[(1, 78436800), (2, 39218400), (3, 26145600), (4, 19609200), (5, 15687360), (6, 13072800), (8, 9804600), (9, 8715200), (10, 7843680), (12, 6536400), (13, 6033600), (15, 5229120), (16, 4902300), (18, 4357600), (20, 3921840), (24, 3268200), (25, 3137472), (26, 3016800), (30, 2614560), (32, 2451150), (36, 2178800), (39, 2011200), (40, 1960920), (45, 1743040), (48, 1634100), (50, 1568736), (52, 1508400), (60, 1307280), (64, 1225575), (65, 1206720), (72, 1089400), (75, 1045824), (78, 1005600), (80, 980460), (90, 871520), (96, 817050), (100, 784368), (104, 754200), (117, 670400), (120, 653640), (130, 603360), (144, 544700), (150, 522912), (156, 502800), (160, 490230), (180, 435760), (192, 408525), (195, 402240), (200, 392184), (208, 377100), (225, 348608), (234, 335200), (240, 326820), (260, 301680), (288, 272350), (300, 261456), (312, 251400), (320, 245115), (325, 241344), (360, 217880), (390, 201120), (400, 196092), (416, 188550), (419, 187200), (450, 174304), (468, 167600), (480, 163410), (520, 150840), (576, 136175), (585, 134080), (600, 130728), (624, 125700), (650, 120672), (720, 108940), (780, 100560), (800, 98046), (832, 94275), (838, 93600), (900, 87152), (936, 83800), (960, 81705), (975, 80448), (1040, 75420), (1170, 67040), (1200, 65364), (1248, 62850), (1257, 62400), (1300, 60336), (1440, 54470), (1560, 50280), (1600, 49023), (1676, 46800), (1800, 43576), (1872, 41900), (1950, 40224), (2080, 37710), (2095, 37440), (2340, 33520), (2400, 32682), (2496, 31425), (2514, 31200), (2600, 30168), (2880, 27235), (2925, 26816), (3120, 25140), (3352, 23400), (3600, 21788), (3744, 20950), (3771, 20800), (3900, 20112), (4160, 18855), (4190, 18720), (4680, 16760), (4800, 16341), (5028, 15600), (5200, 15084), (5447, 14400), (5850, 13408), (6240, 12570), (6285, 12480), (6704, 11700), (7200, 10894), (7488, 10475), (7542, 10400), (7800, 10056), (8380, 9360)]