171954120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:240

約数の個数: 192

約数和(自身を含む): 571838400

約数和(自身を除く): 399884280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 61, 65, 78, 104, 120, 122, 130, 139, 156, 169, 183, 195, 244, 260, 278, 305, 312, 338, 366, 390, 417, 488, 507, 520, 556, 610, 676, 695, 732, 780, 793, 834, 845, 915, 1014, 1112, 1220, 1352, 1390, 1464, 1560, 1586, 1668, 1690, 1807, 1830, 2028, 2085, 2379, 2440, 2535, 2780, 3172, 3336, 3380, 3614, 3660, 3965, 4056, 4170, 4758, 5070, 5421, 5560, 6344, 6760, 7228, 7320, 7930, 8340, 8479, 9035, 9516, 10140, 10309, 10842, 11895, 14456, 15860, 16680, 16958, 18070, 19032, 20280, 20618, 21684, 23491, 23790, 25437, 27105, 30927, 31720, 33916, 36140, 41236, 42395, 43368, 46982, 47580, 50874, 51545, 54210, 61854, 67832, 70473, 72280, 82472, 84790, 93964, 95160, 101748, 103090, 108420, 110227, 117455, 123708, 127185, 140946, 154635, 169580, 187928, 203496, 206180, 216840, 220454, 234910, 247416, 254370, 281892, 309270, 330681, 339160, 352365, 412360, 440908, 469820, 508740, 551135, 563784, 618540, 661362, 704730, 881816, 939640, 1017480, 1102270, 1237080, 1322724, 1409460, 1432951, 1653405, 2204540, 2645448, 2818920, 2865902, 3306810, 4298853, 4409080, 5731804, 6613620, 7164755, 8597706, 11463608, 13227240, 14329510, 17195412, 21494265, 28659020, 34390824, 42988530, 57318040, 85977060, 171954120]

約数ペア:

[(1, 171954120), (2, 85977060), (3, 57318040), (4, 42988530), (5, 34390824), (6, 28659020), (8, 21494265), (10, 17195412), (12, 14329510), (13, 13227240), (15, 11463608), (20, 8597706), (24, 7164755), (26, 6613620), (30, 5731804), (39, 4409080), (40, 4298853), (52, 3306810), (60, 2865902), (61, 2818920), (65, 2645448), (78, 2204540), (104, 1653405), (120, 1432951), (122, 1409460), (130, 1322724), (139, 1237080), (156, 1102270), (169, 1017480), (183, 939640), (195, 881816), (244, 704730), (260, 661362), (278, 618540), (305, 563784), (312, 551135), (338, 508740), (366, 469820), (390, 440908), (417, 412360), (488, 352365), (507, 339160), (520, 330681), (556, 309270), (610, 281892), (676, 254370), (695, 247416), (732, 234910), (780, 220454), (793, 216840), (834, 206180), (845, 203496), (915, 187928), (1014, 169580), (1112, 154635), (1220, 140946), (1352, 127185), (1390, 123708), (1464, 117455), (1560, 110227), (1586, 108420), (1668, 103090), (1690, 101748), (1807, 95160), (1830, 93964), (2028, 84790), (2085, 82472), (2379, 72280), (2440, 70473), (2535, 67832), (2780, 61854), (3172, 54210), (3336, 51545), (3380, 50874), (3614, 47580), (3660, 46982), (3965, 43368), (4056, 42395), (4170, 41236), (4758, 36140), (5070, 33916), (5421, 31720), (5560, 30927), (6344, 27105), (6760, 25437), (7228, 23790), (7320, 23491), (7930, 21684), (8340, 20618), (8479, 20280), (9035, 19032), (9516, 18070), (10140, 16958), (10309, 16680), (10842, 15860), (11895, 14456)]