221161440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:305

約数の個数: 192

約数和(自身を含む): 731566080

約数和(自身を除く): 510404640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 89, 93, 96, 120, 124, 155, 160, 167, 178, 186, 240, 248, 267, 310, 334, 356, 372, 445, 465, 480, 496, 501, 534, 620, 668, 712, 744, 835, 890, 930, 992, 1002, 1068, 1240, 1335, 1336, 1424, 1488, 1670, 1780, 1860, 2004, 2136, 2480, 2505, 2670, 2672, 2759, 2848, 2976, 3340, 3560, 3720, 4008, 4272, 4960, 5010, 5177, 5340, 5344, 5518, 6680, 7120, 7440, 8016, 8277, 8544, 10020, 10354, 10680, 11036, 13360, 13795, 14240, 14863, 14880, 15531, 16032, 16554, 20040, 20708, 21360, 22072, 25885, 26720, 27590, 29726, 31062, 33108, 40080, 41385, 41416, 42720, 44144, 44589, 51770, 55180, 59452, 62124, 66216, 74315, 77655, 80160, 82770, 82832, 88288, 89178, 103540, 110360, 118904, 124248, 132432, 148630, 155310, 165540, 165664, 178356, 207080, 220720, 222945, 237808, 248496, 264864, 297260, 310620, 331080, 356712, 414160, 441440, 445890, 460753, 475616, 496992, 594520, 621240, 662160, 713424, 828320, 891780, 921506, 1189040, 1242480, 1324320, 1382259, 1426848, 1783560, 1843012, 2303765, 2378080, 2484960, 2764518, 3567120, 3686024, 4607530, 5529036, 6911295, 7134240, 7372048, 9215060, 11058072, 13822590, 14744096, 18430120, 22116144, 27645180, 36860240, 44232288, 55290360, 73720480, 110580720, 221161440]

約数ペア:

[(1, 221161440), (2, 110580720), (3, 73720480), (4, 55290360), (5, 44232288), (6, 36860240), (8, 27645180), (10, 22116144), (12, 18430120), (15, 14744096), (16, 13822590), (20, 11058072), (24, 9215060), (30, 7372048), (31, 7134240), (32, 6911295), (40, 5529036), (48, 4607530), (60, 3686024), (62, 3567120), (80, 2764518), (89, 2484960), (93, 2378080), (96, 2303765), (120, 1843012), (124, 1783560), (155, 1426848), (160, 1382259), (167, 1324320), (178, 1242480), (186, 1189040), (240, 921506), (248, 891780), (267, 828320), (310, 713424), (334, 662160), (356, 621240), (372, 594520), (445, 496992), (465, 475616), (480, 460753), (496, 445890), (501, 441440), (534, 414160), (620, 356712), (668, 331080), (712, 310620), (744, 297260), (835, 264864), (890, 248496), (930, 237808), (992, 222945), (1002, 220720), (1068, 207080), (1240, 178356), (1335, 165664), (1336, 165540), (1424, 155310), (1488, 148630), (1670, 132432), (1780, 124248), (1860, 118904), (2004, 110360), (2136, 103540), (2480, 89178), (2505, 88288), (2670, 82832), (2672, 82770), (2759, 80160), (2848, 77655), (2976, 74315), (3340, 66216), (3560, 62124), (3720, 59452), (4008, 55180), (4272, 51770), (4960, 44589), (5010, 44144), (5177, 42720), (5340, 41416), (5344, 41385), (5518, 40080), (6680, 33108), (7120, 31062), (7440, 29726), (8016, 27590), (8277, 26720), (8544, 25885), (10020, 22072), (10354, 21360), (10680, 20708), (11036, 20040), (13360, 16554), (13795, 16032), (14240, 15531), (14863, 14880)]