160820400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{13}}^3\times {\mathrm{61}}^1$

素因数の和:121

約数の個数: 240

約数和(自身を含む): 567220640

約数和(自身を除く): 406400240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 39, 40, 48, 50, 52, 60, 61, 65, 75, 78, 80, 100, 104, 120, 122, 130, 150, 156, 169, 183, 195, 200, 208, 240, 244, 260, 300, 305, 312, 325, 338, 366, 390, 400, 488, 507, 520, 600, 610, 624, 650, 676, 732, 780, 793, 845, 915, 975, 976, 1014, 1040, 1200, 1220, 1300, 1352, 1464, 1525, 1560, 1586, 1690, 1830, 1950, 2028, 2197, 2379, 2440, 2535, 2600, 2704, 2928, 3050, 3120, 3172, 3380, 3660, 3900, 3965, 4056, 4225, 4394, 4575, 4758, 4880, 5070, 5200, 6100, 6344, 6591, 6760, 7320, 7800, 7930, 8112, 8450, 8788, 9150, 9516, 10140, 10309, 10985, 11895, 12200, 12675, 12688, 13182, 13520, 14640, 15600, 15860, 16900, 17576, 18300, 19032, 19825, 20280, 20618, 21970, 23790, 24400, 25350, 26364, 30927, 31720, 32955, 33800, 35152, 36600, 38064, 39650, 40560, 41236, 43940, 47580, 50700, 51545, 52728, 54925, 59475, 61854, 63440, 65910, 67600, 73200, 79300, 82472, 87880, 95160, 101400, 103090, 105456, 109850, 118950, 123708, 131820, 134017, 154635, 158600, 164775, 164944, 175760, 190320, 202800, 206180, 219700, 237900, 247416, 257725, 263640, 268034, 309270, 317200, 329550, 402051, 412360, 439400, 475800, 494832, 515450, 527280, 536068, 618540, 659100, 670085, 773175, 804102, 824720, 878800, 951600, 1030900, 1072136, 1237080, 1318200, 1340170, 1546350, 1608204, 2010255, 2061800, 2144272, 2474160, 2636400, 2680340, 3092700, 3216408, 3350425, 4020510, 4123600, 5360680, 6185400, 6432816, 6700850, 8041020, 10051275, 10721360, 12370800, 13401700, 16082040, 20102550, 26803400, 32164080, 40205100, 53606800, 80410200, 160820400]

約数ペア:

[(1, 160820400), (2, 80410200), (3, 53606800), (4, 40205100), (5, 32164080), (6, 26803400), (8, 20102550), (10, 16082040), (12, 13401700), (13, 12370800), (15, 10721360), (16, 10051275), (20, 8041020), (24, 6700850), (25, 6432816), (26, 6185400), (30, 5360680), (39, 4123600), (40, 4020510), (48, 3350425), (50, 3216408), (52, 3092700), (60, 2680340), (61, 2636400), (65, 2474160), (75, 2144272), (78, 2061800), (80, 2010255), (100, 1608204), (104, 1546350), (120, 1340170), (122, 1318200), (130, 1237080), (150, 1072136), (156, 1030900), (169, 951600), (183, 878800), (195, 824720), (200, 804102), (208, 773175), (240, 670085), (244, 659100), (260, 618540), (300, 536068), (305, 527280), (312, 515450), (325, 494832), (338, 475800), (366, 439400), (390, 412360), (400, 402051), (488, 329550), (507, 317200), (520, 309270), (600, 268034), (610, 263640), (624, 257725), (650, 247416), (676, 237900), (732, 219700), (780, 206180), (793, 202800), (845, 190320), (915, 175760), (975, 164944), (976, 164775), (1014, 158600), (1040, 154635), (1200, 134017), (1220, 131820), (1300, 123708), (1352, 118950), (1464, 109850), (1525, 105456), (1560, 103090), (1586, 101400), (1690, 95160), (1830, 87880), (1950, 82472), (2028, 79300), (2197, 73200), (2379, 67600), (2440, 65910), (2535, 63440), (2600, 61854), (2704, 59475), (2928, 54925), (3050, 52728), (3120, 51545), (3172, 50700), (3380, 47580), (3660, 43940), (3900, 41236), (3965, 40560), (4056, 39650), (4225, 38064), (4394, 36600), (4575, 35152), (4758, 33800), (4880, 32955), (5070, 31720), (5200, 30927), (6100, 26364), (6344, 25350), (6591, 24400), (6760, 23790), (7320, 21970), (7800, 20618), (7930, 20280), (8112, 19825), (8450, 19032), (8788, 18300), (9150, 17576), (9516, 16900), (10140, 15860), (10309, 15600), (10985, 14640), (11895, 13520), (12200, 13182), (12675, 12688)]