31696560

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:376

約数の個数: 240

約数和(自身を含む): 128444160

約数和(自身を除く): 96747600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 112, 114, 120, 126, 133, 140, 144, 152, 168, 171, 180, 190, 210, 228, 240, 252, 266, 280, 285, 304, 315, 331, 336, 342, 360, 380, 399, 420, 456, 504, 532, 560, 570, 630, 662, 665, 684, 720, 760, 798, 840, 855, 912, 993, 1008, 1064, 1140, 1197, 1260, 1324, 1330, 1368, 1520, 1596, 1655, 1680, 1710, 1986, 1995, 2128, 2280, 2317, 2394, 2520, 2648, 2660, 2736, 2979, 3192, 3310, 3420, 3972, 3990, 4560, 4634, 4788, 4965, 5040, 5296, 5320, 5958, 5985, 6289, 6384, 6620, 6840, 6951, 7944, 7980, 9268, 9576, 9930, 10640, 11585, 11916, 11970, 12578, 13240, 13680, 13902, 14895, 15888, 15960, 18536, 18867, 19152, 19860, 20853, 23170, 23832, 23940, 25156, 26480, 27804, 29790, 31445, 31920, 34755, 37072, 37734, 39720, 41706, 44023, 46340, 47664, 47880, 50312, 55608, 56601, 59580, 62890, 69510, 75468, 79440, 83412, 88046, 92680, 94335, 95760, 100624, 104265, 111216, 113202, 119160, 125780, 132069, 139020, 150936, 166824, 176092, 185360, 188670, 208530, 220115, 226404, 238320, 251560, 264138, 278040, 283005, 301872, 333648, 352184, 377340, 396207, 417060, 440230, 452808, 503120, 528276, 556080, 566010, 660345, 704368, 754680, 792414, 834120, 880460, 905616, 1056552, 1132020, 1320690, 1509360, 1584828, 1668240, 1760920, 1981035, 2113104, 2264040, 2641380, 3169656, 3521840, 3962070, 4528080, 5282760, 6339312, 7924140, 10565520, 15848280, 31696560]

約数ペア:

[(1, 31696560), (2, 15848280), (3, 10565520), (4, 7924140), (5, 6339312), (6, 5282760), (7, 4528080), (8, 3962070), (9, 3521840), (10, 3169656), (12, 2641380), (14, 2264040), (15, 2113104), (16, 1981035), (18, 1760920), (19, 1668240), (20, 1584828), (21, 1509360), (24, 1320690), (28, 1132020), (30, 1056552), (35, 905616), (36, 880460), (38, 834120), (40, 792414), (42, 754680), (45, 704368), (48, 660345), (56, 566010), (57, 556080), (60, 528276), (63, 503120), (70, 452808), (72, 440230), (76, 417060), (80, 396207), (84, 377340), (90, 352184), (95, 333648), (105, 301872), (112, 283005), (114, 278040), (120, 264138), (126, 251560), (133, 238320), (140, 226404), (144, 220115), (152, 208530), (168, 188670), (171, 185360), (180, 176092), (190, 166824), (210, 150936), (228, 139020), (240, 132069), (252, 125780), (266, 119160), (280, 113202), (285, 111216), (304, 104265), (315, 100624), (331, 95760), (336, 94335), (342, 92680), (360, 88046), (380, 83412), (399, 79440), (420, 75468), (456, 69510), (504, 62890), (532, 59580), (560, 56601), (570, 55608), (630, 50312), (662, 47880), (665, 47664), (684, 46340), (720, 44023), (760, 41706), (798, 39720), (840, 37734), (855, 37072), (912, 34755), (993, 31920), (1008, 31445), (1064, 29790), (1140, 27804), (1197, 26480), (1260, 25156), (1324, 23940), (1330, 23832), (1368, 23170), (1520, 20853), (1596, 19860), (1655, 19152), (1680, 18867), (1710, 18536), (1986, 15960), (1995, 15888), (2128, 14895), (2280, 13902), (2317, 13680), (2394, 13240), (2520, 12578), (2648, 11970), (2660, 11916), (2736, 11585), (2979, 10640), (3192, 9930), (3310, 9576), (3420, 9268), (3972, 7980), (3990, 7944), (4560, 6951), (4634, 6840), (4788, 6620), (4965, 6384), (5040, 6289), (5296, 5985), (5320, 5958)]