31612560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{607}}^1$

素因数の和:661

約数の個数: 160

約数和(自身を含む): 115802112

約数和(自身を除く): 84189552

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 280, 310, 336, 372, 420, 434, 465, 496, 560, 607, 620, 651, 744, 840, 868, 930, 1085, 1214, 1240, 1302, 1488, 1680, 1736, 1821, 1860, 2170, 2428, 2480, 2604, 3035, 3255, 3472, 3642, 3720, 4249, 4340, 4856, 5208, 6070, 6510, 7284, 7440, 8498, 8680, 9105, 9712, 10416, 12140, 12747, 13020, 14568, 16996, 17360, 18210, 18817, 21245, 24280, 25494, 26040, 29136, 33992, 36420, 37634, 42490, 48560, 50988, 52080, 56451, 63735, 67984, 72840, 75268, 84980, 94085, 101976, 112902, 127470, 131719, 145680, 150536, 169960, 188170, 203952, 225804, 254940, 263438, 282255, 301072, 339920, 376340, 395157, 451608, 509880, 526876, 564510, 658595, 752680, 790314, 903216, 1019760, 1053752, 1129020, 1317190, 1505360, 1580628, 1975785, 2107504, 2258040, 2634380, 3161256, 3951570, 4516080, 5268760, 6322512, 7903140, 10537520, 15806280, 31612560]

約数ペア:

[(1, 31612560), (2, 15806280), (3, 10537520), (4, 7903140), (5, 6322512), (6, 5268760), (7, 4516080), (8, 3951570), (10, 3161256), (12, 2634380), (14, 2258040), (15, 2107504), (16, 1975785), (20, 1580628), (21, 1505360), (24, 1317190), (28, 1129020), (30, 1053752), (31, 1019760), (35, 903216), (40, 790314), (42, 752680), (48, 658595), (56, 564510), (60, 526876), (62, 509880), (70, 451608), (80, 395157), (84, 376340), (93, 339920), (105, 301072), (112, 282255), (120, 263438), (124, 254940), (140, 225804), (155, 203952), (168, 188170), (186, 169960), (210, 150536), (217, 145680), (240, 131719), (248, 127470), (280, 112902), (310, 101976), (336, 94085), (372, 84980), (420, 75268), (434, 72840), (465, 67984), (496, 63735), (560, 56451), (607, 52080), (620, 50988), (651, 48560), (744, 42490), (840, 37634), (868, 36420), (930, 33992), (1085, 29136), (1214, 26040), (1240, 25494), (1302, 24280), (1488, 21245), (1680, 18817), (1736, 18210), (1821, 17360), (1860, 16996), (2170, 14568), (2428, 13020), (2480, 12747), (2604, 12140), (3035, 10416), (3255, 9712), (3472, 9105), (3642, 8680), (3720, 8498), (4249, 7440), (4340, 7284), (4856, 6510), (5208, 6070)]