215351640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{881}}^1$

素因数の和:1002

約数の個数: 192

約数和(自身を含む): 809040960

約数和(自身を除く): 593689320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 97, 105, 120, 126, 140, 168, 180, 194, 210, 252, 280, 291, 315, 360, 388, 420, 485, 504, 582, 630, 679, 776, 840, 873, 881, 970, 1164, 1260, 1358, 1455, 1746, 1762, 1940, 2037, 2328, 2520, 2643, 2716, 2910, 3395, 3492, 3524, 3880, 4074, 4365, 4405, 5286, 5432, 5820, 6111, 6167, 6790, 6984, 7048, 7929, 8148, 8730, 8810, 10185, 10572, 11640, 12222, 12334, 13215, 13580, 15858, 16296, 17460, 17620, 18501, 20370, 21144, 24444, 24668, 26430, 27160, 30555, 30835, 31716, 34920, 35240, 37002, 39645, 40740, 48888, 49336, 52860, 55503, 61110, 61670, 63432, 74004, 79290, 81480, 85457, 92505, 105720, 111006, 122220, 123340, 148008, 158580, 170914, 185010, 222012, 244440, 246680, 256371, 277515, 317160, 341828, 370020, 427285, 444024, 512742, 555030, 598199, 683656, 740040, 769113, 854570, 1025484, 1110060, 1196398, 1281855, 1538226, 1709140, 1794597, 2050968, 2220120, 2392796, 2563710, 2990995, 3076452, 3418280, 3589194, 3845565, 4785592, 5127420, 5383791, 5981990, 6152904, 7178388, 7691130, 8972985, 10254840, 10767582, 11963980, 14356776, 15382260, 17945970, 21535164, 23927960, 26918955, 30764520, 35891940, 43070328, 53837910, 71783880, 107675820, 215351640]

約数ペア:

[(1, 215351640), (2, 107675820), (3, 71783880), (4, 53837910), (5, 43070328), (6, 35891940), (7, 30764520), (8, 26918955), (9, 23927960), (10, 21535164), (12, 17945970), (14, 15382260), (15, 14356776), (18, 11963980), (20, 10767582), (21, 10254840), (24, 8972985), (28, 7691130), (30, 7178388), (35, 6152904), (36, 5981990), (40, 5383791), (42, 5127420), (45, 4785592), (56, 3845565), (60, 3589194), (63, 3418280), (70, 3076452), (72, 2990995), (84, 2563710), (90, 2392796), (97, 2220120), (105, 2050968), (120, 1794597), (126, 1709140), (140, 1538226), (168, 1281855), (180, 1196398), (194, 1110060), (210, 1025484), (252, 854570), (280, 769113), (291, 740040), (315, 683656), (360, 598199), (388, 555030), (420, 512742), (485, 444024), (504, 427285), (582, 370020), (630, 341828), (679, 317160), (776, 277515), (840, 256371), (873, 246680), (881, 244440), (970, 222012), (1164, 185010), (1260, 170914), (1358, 158580), (1455, 148008), (1746, 123340), (1762, 122220), (1940, 111006), (2037, 105720), (2328, 92505), (2520, 85457), (2643, 81480), (2716, 79290), (2910, 74004), (3395, 63432), (3492, 61670), (3524, 61110), (3880, 55503), (4074, 52860), (4365, 49336), (4405, 48888), (5286, 40740), (5432, 39645), (5820, 37002), (6111, 35240), (6167, 34920), (6790, 31716), (6984, 30835), (7048, 30555), (7929, 27160), (8148, 26430), (8730, 24668), (8810, 24444), (10185, 21144), (10572, 20370), (11640, 18501), (12222, 17620), (12334, 17460), (13215, 16296), (13580, 15858)]