221227440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3559}}^1$

素因数の和:3619

約数の個数: 160

約数和(自身を含む): 805186560

約数和(自身を除く): 583959120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 37, 40, 42, 48, 56, 60, 70, 74, 80, 84, 105, 111, 112, 120, 140, 148, 168, 185, 210, 222, 240, 259, 280, 296, 336, 370, 420, 444, 518, 555, 560, 592, 740, 777, 840, 888, 1036, 1110, 1295, 1480, 1554, 1680, 1776, 2072, 2220, 2590, 2960, 3108, 3559, 3885, 4144, 4440, 5180, 6216, 7118, 7770, 8880, 10360, 10677, 12432, 14236, 15540, 17795, 20720, 21354, 24913, 28472, 31080, 35590, 42708, 49826, 53385, 56944, 62160, 71180, 74739, 85416, 99652, 106770, 124565, 131683, 142360, 149478, 170832, 199304, 213540, 249130, 263366, 284720, 298956, 373695, 395049, 398608, 427080, 498260, 526732, 597912, 658415, 747390, 790098, 854160, 921781, 996520, 1053464, 1195824, 1316830, 1494780, 1580196, 1843562, 1975245, 1993040, 2106928, 2633660, 2765343, 2989560, 3160392, 3687124, 3950490, 4608905, 5267320, 5530686, 5979120, 6320784, 7374248, 7900980, 9217810, 10534640, 11061372, 13826715, 14748496, 15801960, 18435620, 22122744, 27653430, 31603920, 36871240, 44245488, 55306860, 73742480, 110613720, 221227440]

約数ペア:

[(1, 221227440), (2, 110613720), (3, 73742480), (4, 55306860), (5, 44245488), (6, 36871240), (7, 31603920), (8, 27653430), (10, 22122744), (12, 18435620), (14, 15801960), (15, 14748496), (16, 13826715), (20, 11061372), (21, 10534640), (24, 9217810), (28, 7900980), (30, 7374248), (35, 6320784), (37, 5979120), (40, 5530686), (42, 5267320), (48, 4608905), (56, 3950490), (60, 3687124), (70, 3160392), (74, 2989560), (80, 2765343), (84, 2633660), (105, 2106928), (111, 1993040), (112, 1975245), (120, 1843562), (140, 1580196), (148, 1494780), (168, 1316830), (185, 1195824), (210, 1053464), (222, 996520), (240, 921781), (259, 854160), (280, 790098), (296, 747390), (336, 658415), (370, 597912), (420, 526732), (444, 498260), (518, 427080), (555, 398608), (560, 395049), (592, 373695), (740, 298956), (777, 284720), (840, 263366), (888, 249130), (1036, 213540), (1110, 199304), (1295, 170832), (1480, 149478), (1554, 142360), (1680, 131683), (1776, 124565), (2072, 106770), (2220, 99652), (2590, 85416), (2960, 74739), (3108, 71180), (3559, 62160), (3885, 56944), (4144, 53385), (4440, 49826), (5180, 42708), (6216, 35590), (7118, 31080), (7770, 28472), (8880, 24913), (10360, 21354), (10677, 20720), (12432, 17795), (14236, 15540)]