31175460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:234

約数の個数: 144

約数和(自身を含む): 100918272

約数和(自身を除く): 69742812

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 37, 45, 60, 62, 74, 90, 93, 111, 124, 148, 151, 155, 180, 185, 186, 222, 279, 302, 310, 333, 370, 372, 444, 453, 465, 555, 558, 604, 620, 666, 740, 755, 906, 930, 1110, 1116, 1147, 1332, 1359, 1395, 1510, 1665, 1812, 1860, 2220, 2265, 2294, 2718, 2790, 3020, 3330, 3441, 4530, 4588, 4681, 5436, 5580, 5587, 5735, 6660, 6795, 6882, 9060, 9362, 10323, 11174, 11470, 13590, 13764, 14043, 16761, 17205, 18724, 20646, 22348, 22940, 23405, 27180, 27935, 28086, 33522, 34410, 41292, 42129, 46810, 50283, 51615, 55870, 56172, 67044, 68820, 70215, 83805, 84258, 93620, 100566, 103230, 111740, 140430, 167610, 168516, 173197, 201132, 206460, 210645, 251415, 280860, 335220, 346394, 421290, 502830, 519591, 692788, 842580, 865985, 1005660, 1039182, 1558773, 1731970, 2078364, 2597955, 3117546, 3463940, 5195910, 6235092, 7793865, 10391820, 15587730, 31175460]

約数ペア:

[(1, 31175460), (2, 15587730), (3, 10391820), (4, 7793865), (5, 6235092), (6, 5195910), (9, 3463940), (10, 3117546), (12, 2597955), (15, 2078364), (18, 1731970), (20, 1558773), (30, 1039182), (31, 1005660), (36, 865985), (37, 842580), (45, 692788), (60, 519591), (62, 502830), (74, 421290), (90, 346394), (93, 335220), (111, 280860), (124, 251415), (148, 210645), (151, 206460), (155, 201132), (180, 173197), (185, 168516), (186, 167610), (222, 140430), (279, 111740), (302, 103230), (310, 100566), (333, 93620), (370, 84258), (372, 83805), (444, 70215), (453, 68820), (465, 67044), (555, 56172), (558, 55870), (604, 51615), (620, 50283), (666, 46810), (740, 42129), (755, 41292), (906, 34410), (930, 33522), (1110, 28086), (1116, 27935), (1147, 27180), (1332, 23405), (1359, 22940), (1395, 22348), (1510, 20646), (1665, 18724), (1812, 17205), (1860, 16761), (2220, 14043), (2265, 13764), (2294, 13590), (2718, 11470), (2790, 11174), (3020, 10323), (3330, 9362), (3441, 9060), (4530, 6882), (4588, 6795), (4681, 6660), (5436, 5735), (5580, 5587)]