18175920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:403

約数の個数: 160

約数和(自身を含む): 66662400

約数和(自身を除く): 48486480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 280, 310, 336, 349, 372, 420, 434, 465, 496, 560, 620, 651, 698, 744, 840, 868, 930, 1047, 1085, 1240, 1302, 1396, 1488, 1680, 1736, 1745, 1860, 2094, 2170, 2443, 2480, 2604, 2792, 3255, 3472, 3490, 3720, 4188, 4340, 4886, 5208, 5235, 5584, 6510, 6980, 7329, 7440, 8376, 8680, 9772, 10416, 10470, 10819, 12215, 13020, 13960, 14658, 16752, 17360, 19544, 20940, 21638, 24430, 26040, 27920, 29316, 32457, 36645, 39088, 41880, 43276, 48860, 52080, 54095, 58632, 64914, 73290, 75733, 83760, 86552, 97720, 108190, 117264, 129828, 146580, 151466, 162285, 173104, 195440, 216380, 227199, 259656, 293160, 302932, 324570, 378665, 432760, 454398, 519312, 586320, 605864, 649140, 757330, 865520, 908796, 1135995, 1211728, 1298280, 1514660, 1817592, 2271990, 2596560, 3029320, 3635184, 4543980, 6058640, 9087960, 18175920]

約数ペア:

[(1, 18175920), (2, 9087960), (3, 6058640), (4, 4543980), (5, 3635184), (6, 3029320), (7, 2596560), (8, 2271990), (10, 1817592), (12, 1514660), (14, 1298280), (15, 1211728), (16, 1135995), (20, 908796), (21, 865520), (24, 757330), (28, 649140), (30, 605864), (31, 586320), (35, 519312), (40, 454398), (42, 432760), (48, 378665), (56, 324570), (60, 302932), (62, 293160), (70, 259656), (80, 227199), (84, 216380), (93, 195440), (105, 173104), (112, 162285), (120, 151466), (124, 146580), (140, 129828), (155, 117264), (168, 108190), (186, 97720), (210, 86552), (217, 83760), (240, 75733), (248, 73290), (280, 64914), (310, 58632), (336, 54095), (349, 52080), (372, 48860), (420, 43276), (434, 41880), (465, 39088), (496, 36645), (560, 32457), (620, 29316), (651, 27920), (698, 26040), (744, 24430), (840, 21638), (868, 20940), (930, 19544), (1047, 17360), (1085, 16752), (1240, 14658), (1302, 13960), (1396, 13020), (1488, 12215), (1680, 10819), (1736, 10470), (1745, 10416), (1860, 9772), (2094, 8680), (2170, 8376), (2443, 7440), (2480, 7329), (2604, 6980), (2792, 6510), (3255, 5584), (3472, 5235), (3490, 5208), (3720, 4886), (4188, 4340)]