18007440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1$

素因数の和:405

約数の個数: 160

約数和(自身を含む): 64281600

約数和(自身を除く): 46274160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 19, 20, 22, 24, 30, 33, 38, 40, 44, 48, 55, 57, 60, 66, 76, 80, 88, 95, 110, 114, 120, 132, 152, 165, 176, 190, 209, 220, 228, 240, 264, 285, 304, 330, 359, 380, 418, 440, 456, 528, 570, 627, 660, 718, 760, 836, 880, 912, 1045, 1077, 1140, 1254, 1320, 1436, 1520, 1672, 1795, 2090, 2154, 2280, 2508, 2640, 2872, 3135, 3344, 3590, 3949, 4180, 4308, 4560, 5016, 5385, 5744, 6270, 6821, 7180, 7898, 8360, 8616, 10032, 10770, 11847, 12540, 13642, 14360, 15796, 16720, 17232, 19745, 20463, 21540, 23694, 25080, 27284, 28720, 31592, 34105, 39490, 40926, 43080, 47388, 50160, 54568, 59235, 63184, 68210, 75031, 78980, 81852, 86160, 94776, 102315, 109136, 118470, 136420, 150062, 157960, 163704, 189552, 204630, 225093, 236940, 272840, 300124, 315920, 327408, 375155, 409260, 450186, 473880, 545680, 600248, 750310, 818520, 900372, 947760, 1125465, 1200496, 1500620, 1637040, 1800744, 2250930, 3001240, 3601488, 4501860, 6002480, 9003720, 18007440]

約数ペア:

[(1, 18007440), (2, 9003720), (3, 6002480), (4, 4501860), (5, 3601488), (6, 3001240), (8, 2250930), (10, 1800744), (11, 1637040), (12, 1500620), (15, 1200496), (16, 1125465), (19, 947760), (20, 900372), (22, 818520), (24, 750310), (30, 600248), (33, 545680), (38, 473880), (40, 450186), (44, 409260), (48, 375155), (55, 327408), (57, 315920), (60, 300124), (66, 272840), (76, 236940), (80, 225093), (88, 204630), (95, 189552), (110, 163704), (114, 157960), (120, 150062), (132, 136420), (152, 118470), (165, 109136), (176, 102315), (190, 94776), (209, 86160), (220, 81852), (228, 78980), (240, 75031), (264, 68210), (285, 63184), (304, 59235), (330, 54568), (359, 50160), (380, 47388), (418, 43080), (440, 40926), (456, 39490), (528, 34105), (570, 31592), (627, 28720), (660, 27284), (718, 25080), (760, 23694), (836, 21540), (880, 20463), (912, 19745), (1045, 17232), (1077, 16720), (1140, 15796), (1254, 14360), (1320, 13642), (1436, 12540), (1520, 11847), (1672, 10770), (1795, 10032), (2090, 8616), (2154, 8360), (2280, 7898), (2508, 7180), (2640, 6821), (2872, 6270), (3135, 5744), (3344, 5385), (3590, 5016), (3949, 4560), (4180, 4308)]