31951080

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:464

約数の個数: 192

約数和(自身を含む): 122803200

約数和(自身を除く): 90852120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 120, 124, 126, 140, 155, 168, 180, 186, 210, 217, 248, 252, 279, 280, 310, 315, 360, 372, 409, 420, 434, 465, 504, 558, 620, 630, 651, 744, 818, 840, 868, 930, 1085, 1116, 1227, 1240, 1260, 1302, 1395, 1636, 1736, 1860, 1953, 2045, 2170, 2232, 2454, 2520, 2604, 2790, 2863, 3255, 3272, 3681, 3720, 3906, 4090, 4340, 4908, 5208, 5580, 5726, 6135, 6510, 7362, 7812, 8180, 8589, 8680, 9765, 9816, 11160, 11452, 12270, 12679, 13020, 14315, 14724, 15624, 16360, 17178, 18405, 19530, 22904, 24540, 25358, 25767, 26040, 28630, 29448, 34356, 36810, 38037, 39060, 42945, 49080, 50716, 51534, 57260, 63395, 68712, 73620, 76074, 78120, 85890, 88753, 101432, 103068, 114111, 114520, 126790, 128835, 147240, 152148, 171780, 177506, 190185, 206136, 228222, 253580, 257670, 266259, 304296, 343560, 355012, 380370, 443765, 456444, 507160, 515340, 532518, 570555, 710024, 760740, 798777, 887530, 912888, 1030680, 1065036, 1141110, 1331295, 1521480, 1597554, 1775060, 2130072, 2282220, 2662590, 3195108, 3550120, 3993885, 4564440, 5325180, 6390216, 7987770, 10650360, 15975540, 31951080]

約数ペア:

[(1, 31951080), (2, 15975540), (3, 10650360), (4, 7987770), (5, 6390216), (6, 5325180), (7, 4564440), (8, 3993885), (9, 3550120), (10, 3195108), (12, 2662590), (14, 2282220), (15, 2130072), (18, 1775060), (20, 1597554), (21, 1521480), (24, 1331295), (28, 1141110), (30, 1065036), (31, 1030680), (35, 912888), (36, 887530), (40, 798777), (42, 760740), (45, 710024), (56, 570555), (60, 532518), (62, 515340), (63, 507160), (70, 456444), (72, 443765), (84, 380370), (90, 355012), (93, 343560), (105, 304296), (120, 266259), (124, 257670), (126, 253580), (140, 228222), (155, 206136), (168, 190185), (180, 177506), (186, 171780), (210, 152148), (217, 147240), (248, 128835), (252, 126790), (279, 114520), (280, 114111), (310, 103068), (315, 101432), (360, 88753), (372, 85890), (409, 78120), (420, 76074), (434, 73620), (465, 68712), (504, 63395), (558, 57260), (620, 51534), (630, 50716), (651, 49080), (744, 42945), (818, 39060), (840, 38037), (868, 36810), (930, 34356), (1085, 29448), (1116, 28630), (1227, 26040), (1240, 25767), (1260, 25358), (1302, 24540), (1395, 22904), (1636, 19530), (1736, 18405), (1860, 17178), (1953, 16360), (2045, 15624), (2170, 14724), (2232, 14315), (2454, 13020), (2520, 12679), (2604, 12270), (2790, 11452), (2863, 11160), (3255, 9816), (3272, 9765), (3681, 8680), (3720, 8589), (3906, 8180), (4090, 7812), (4340, 7362), (4908, 6510), (5208, 6135), (5580, 5726)]