31560480

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:160

約数の個数: 288

約数和(自身を含む): 128314368

約数和(自身を除く): 96753888

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 96, 101, 105, 112, 120, 124, 126, 140, 144, 155, 160, 168, 180, 186, 202, 210, 217, 224, 240, 248, 252, 279, 280, 288, 303, 310, 315, 336, 360, 372, 404, 420, 434, 465, 480, 496, 504, 505, 558, 560, 606, 620, 630, 651, 672, 707, 720, 744, 808, 840, 868, 909, 930, 992, 1008, 1010, 1085, 1116, 1120, 1212, 1240, 1260, 1302, 1395, 1414, 1440, 1488, 1515, 1616, 1680, 1736, 1818, 1860, 1953, 2016, 2020, 2121, 2170, 2232, 2424, 2480, 2520, 2604, 2790, 2828, 2976, 3030, 3131, 3232, 3255, 3360, 3472, 3535, 3636, 3720, 3906, 4040, 4242, 4340, 4464, 4545, 4848, 4960, 5040, 5208, 5580, 5656, 6060, 6262, 6363, 6510, 6944, 7070, 7272, 7440, 7812, 8080, 8484, 8680, 8928, 9090, 9393, 9696, 9765, 10080, 10416, 10605, 11160, 11312, 12120, 12524, 12726, 13020, 14140, 14544, 14880, 15624, 15655, 16160, 16968, 17360, 18180, 18786, 19530, 20832, 21210, 21917, 22320, 22624, 24240, 25048, 25452, 26040, 28179, 28280, 29088, 31248, 31310, 31815, 33936, 34720, 36360, 37572, 39060, 42420, 43834, 44640, 46965, 48480, 50096, 50904, 52080, 56358, 56560, 62496, 62620, 63630, 65751, 67872, 72720, 75144, 78120, 84840, 87668, 93930, 100192, 101808, 104160, 109585, 112716, 113120, 125240, 127260, 131502, 140895, 145440, 150288, 156240, 169680, 175336, 187860, 197253, 203616, 219170, 225432, 250480, 254520, 263004, 281790, 300576, 312480, 328755, 339360, 350672, 375720, 394506, 438340, 450864, 500960, 509040, 526008, 563580, 657510, 701344, 751440, 789012, 876680, 901728, 986265, 1018080, 1052016, 1127160, 1315020, 1502880, 1578024, 1753360, 1972530, 2104032, 2254320, 2630040, 3156048, 3506720, 3945060, 4508640, 5260080, 6312096, 7890120, 10520160, 15780240, 31560480]

約数ペア:

[(1, 31560480), (2, 15780240), (3, 10520160), (4, 7890120), (5, 6312096), (6, 5260080), (7, 4508640), (8, 3945060), (9, 3506720), (10, 3156048), (12, 2630040), (14, 2254320), (15, 2104032), (16, 1972530), (18, 1753360), (20, 1578024), (21, 1502880), (24, 1315020), (28, 1127160), (30, 1052016), (31, 1018080), (32, 986265), (35, 901728), (36, 876680), (40, 789012), (42, 751440), (45, 701344), (48, 657510), (56, 563580), (60, 526008), (62, 509040), (63, 500960), (70, 450864), (72, 438340), (80, 394506), (84, 375720), (90, 350672), (93, 339360), (96, 328755), (101, 312480), (105, 300576), (112, 281790), (120, 263004), (124, 254520), (126, 250480), (140, 225432), (144, 219170), (155, 203616), (160, 197253), (168, 187860), (180, 175336), (186, 169680), (202, 156240), (210, 150288), (217, 145440), (224, 140895), (240, 131502), (248, 127260), (252, 125240), (279, 113120), (280, 112716), (288, 109585), (303, 104160), (310, 101808), (315, 100192), (336, 93930), (360, 87668), (372, 84840), (404, 78120), (420, 75144), (434, 72720), (465, 67872), (480, 65751), (496, 63630), (504, 62620), (505, 62496), (558, 56560), (560, 56358), (606, 52080), (620, 50904), (630, 50096), (651, 48480), (672, 46965), (707, 44640), (720, 43834), (744, 42420), (808, 39060), (840, 37572), (868, 36360), (909, 34720), (930, 33936), (992, 31815), (1008, 31310), (1010, 31248), (1085, 29088), (1116, 28280), (1120, 28179), (1212, 26040), (1240, 25452), (1260, 25048), (1302, 24240), (1395, 22624), (1414, 22320), (1440, 21917), (1488, 21210), (1515, 20832), (1616, 19530), (1680, 18786), (1736, 18180), (1818, 17360), (1860, 16968), (1953, 16160), (2016, 15655), (2020, 15624), (2121, 14880), (2170, 14544), (2232, 14140), (2424, 13020), (2480, 12726), (2520, 12524), (2604, 12120), (2790, 11312), (2828, 11160), (2976, 10605), (3030, 10416), (3131, 10080), (3232, 9765), (3255, 9696), (3360, 9393), (3472, 9090), (3535, 8928), (3636, 8680), (3720, 8484), (3906, 8080), (4040, 7812), (4242, 7440), (4340, 7272), (4464, 7070), (4545, 6944), (4848, 6510), (4960, 6363), (5040, 6262), (5208, 6060), (5580, 5656)]