31195920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{599}}^1$

素因数の和:653

約数の個数: 160

約数和(自身を含む): 114278400

約数和(自身を除く): 83082480

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, 599, 620, 651, 744, 840, 868, 930, 1085, 1198, 1240, 1302, 1488, 1680, 1736, 1797, 1860, 2170, 2396, 2480, 2604, 2995, 3255, 3472, 3594, 3720, 4193, 4340, 4792, 5208, 5990, 6510, 7188, 7440, 8386, 8680, 8985, 9584, 10416, 11980, 12579, 13020, 14376, 16772, 17360, 17970, 18569, 20965, 23960, 25158, 26040, 28752, 33544, 35940, 37138, 41930, 47920, 50316, 52080, 55707, 62895, 67088, 71880, 74276, 83860, 92845, 100632, 111414, 125790, 129983, 143760, 148552, 167720, 185690, 201264, 222828, 251580, 259966, 278535, 297104, 335440, 371380, 389949, 445656, 503160, 519932, 557070, 649915, 742760, 779898, 891312, 1006320, 1039864, 1114140, 1299830, 1485520, 1559796, 1949745, 2079728, 2228280, 2599660, 3119592, 3899490, 4456560, 5199320, 6239184, 7798980, 10398640, 15597960, 31195920]

約数ペア:

[(1, 31195920), (2, 15597960), (3, 10398640), (4, 7798980), (5, 6239184), (6, 5199320), (7, 4456560), (8, 3899490), (10, 3119592), (12, 2599660), (14, 2228280), (15, 2079728), (16, 1949745), (20, 1559796), (21, 1485520), (24, 1299830), (28, 1114140), (30, 1039864), (31, 1006320), (35, 891312), (40, 779898), (42, 742760), (48, 649915), (56, 557070), (60, 519932), (62, 503160), (70, 445656), (80, 389949), (84, 371380), (93, 335440), (105, 297104), (112, 278535), (120, 259966), (124, 251580), (140, 222828), (155, 201264), (168, 185690), (186, 167720), (210, 148552), (217, 143760), (240, 129983), (248, 125790), (280, 111414), (310, 100632), (336, 92845), (372, 83860), (420, 74276), (434, 71880), (465, 67088), (496, 62895), (560, 55707), (599, 52080), (620, 50316), (651, 47920), (744, 41930), (840, 37138), (868, 35940), (930, 33544), (1085, 28752), (1198, 26040), (1240, 25158), (1302, 23960), (1488, 20965), (1680, 18569), (1736, 17970), (1797, 17360), (1860, 16772), (2170, 14376), (2396, 13020), (2480, 12579), (2604, 11980), (2995, 10416), (3255, 9584), (3472, 8985), (3594, 8680), (3720, 8386), (4193, 7440), (4340, 7188), (4792, 6510), (5208, 5990)]