31491360

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1151}}^1$

素因数の和:1191

約数の個数: 144

約数和(自身を含む): 113218560

約数和(自身を除く): 81727200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 380, 456, 480, 570, 608, 684, 720, 760, 855, 912, 1140, 1151, 1368, 1440, 1520, 1710, 1824, 2280, 2302, 2736, 3040, 3420, 3453, 4560, 4604, 5472, 5755, 6840, 6906, 9120, 9208, 10359, 11510, 13680, 13812, 17265, 18416, 20718, 21869, 23020, 27360, 27624, 34530, 36832, 41436, 43738, 46040, 51795, 55248, 65607, 69060, 82872, 87476, 92080, 103590, 109345, 110496, 131214, 138120, 165744, 174952, 184160, 196821, 207180, 218690, 262428, 276240, 328035, 331488, 349904, 393642, 414360, 437380, 524856, 552480, 656070, 699808, 787284, 828720, 874760, 984105, 1049712, 1312140, 1574568, 1657440, 1749520, 1968210, 2099424, 2624280, 3149136, 3499040, 3936420, 5248560, 6298272, 7872840, 10497120, 15745680, 31491360]

約数ペア:

[(1, 31491360), (2, 15745680), (3, 10497120), (4, 7872840), (5, 6298272), (6, 5248560), (8, 3936420), (9, 3499040), (10, 3149136), (12, 2624280), (15, 2099424), (16, 1968210), (18, 1749520), (19, 1657440), (20, 1574568), (24, 1312140), (30, 1049712), (32, 984105), (36, 874760), (38, 828720), (40, 787284), (45, 699808), (48, 656070), (57, 552480), (60, 524856), (72, 437380), (76, 414360), (80, 393642), (90, 349904), (95, 331488), (96, 328035), (114, 276240), (120, 262428), (144, 218690), (152, 207180), (160, 196821), (171, 184160), (180, 174952), (190, 165744), (228, 138120), (240, 131214), (285, 110496), (288, 109345), (304, 103590), (342, 92080), (360, 87476), (380, 82872), (456, 69060), (480, 65607), (570, 55248), (608, 51795), (684, 46040), (720, 43738), (760, 41436), (855, 36832), (912, 34530), (1140, 27624), (1151, 27360), (1368, 23020), (1440, 21869), (1520, 20718), (1710, 18416), (1824, 17265), (2280, 13812), (2302, 13680), (2736, 11510), (3040, 10359), (3420, 9208), (3453, 9120), (4560, 6906), (4604, 6840), (5472, 5755)]