217637280

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{2399}}^1$

素因数の和:2433

約数の個数: 240

約数和(自身を含む): 878169600

約数和(自身を除く): 660532320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 2016, 2160, 2268, 2399, 2520, 2592, 2835, 3024, 3240, 3360, 3780, 4320, 4536, 4798, 5040, 5670, 6048, 6480, 7197, 7560, 9072, 9596, 10080, 11340, 11995, 12960, 14394, 15120, 16793, 18144, 19192, 21591, 22680, 23990, 28788, 30240, 33586, 35985, 38384, 43182, 45360, 47980, 50379, 57576, 64773, 67172, 71970, 76768, 83965, 86364, 90720, 95960, 100758, 107955, 115152, 129546, 134344, 143940, 151137, 167930, 172728, 191920, 194319, 201516, 215910, 230304, 251895, 259092, 268688, 287880, 302274, 323865, 335860, 345456, 383840, 388638, 403032, 431820, 453411, 503790, 518184, 537376, 575760, 604548, 647730, 671720, 690912, 755685, 777276, 806064, 863640, 906822, 971595, 1007580, 1036368, 1151520, 1209096, 1295460, 1343440, 1360233, 1511370, 1554552, 1612128, 1727280, 1813644, 1943190, 2015160, 2072736, 2267055, 2418192, 2590920, 2686880, 2720466, 3022740, 3109104, 3454560, 3627288, 3886380, 4030320, 4534110, 4836384, 5181840, 5440932, 6045480, 6218208, 6801165, 7254576, 7772760, 8060640, 9068220, 10363680, 10881864, 12090960, 13602330, 14509152, 15545520, 18136440, 21763728, 24181920, 27204660, 31091040, 36272880, 43527456, 54409320, 72545760, 108818640, 217637280]

約数ペア:

[(1, 217637280), (2, 108818640), (3, 72545760), (4, 54409320), (5, 43527456), (6, 36272880), (7, 31091040), (8, 27204660), (9, 24181920), (10, 21763728), (12, 18136440), (14, 15545520), (15, 14509152), (16, 13602330), (18, 12090960), (20, 10881864), (21, 10363680), (24, 9068220), (27, 8060640), (28, 7772760), (30, 7254576), (32, 6801165), (35, 6218208), (36, 6045480), (40, 5440932), (42, 5181840), (45, 4836384), (48, 4534110), (54, 4030320), (56, 3886380), (60, 3627288), (63, 3454560), (70, 3109104), (72, 3022740), (80, 2720466), (81, 2686880), (84, 2590920), (90, 2418192), (96, 2267055), (105, 2072736), (108, 2015160), (112, 1943190), (120, 1813644), (126, 1727280), (135, 1612128), (140, 1554552), (144, 1511370), (160, 1360233), (162, 1343440), (168, 1295460), (180, 1209096), (189, 1151520), (210, 1036368), (216, 1007580), (224, 971595), (240, 906822), (252, 863640), (270, 806064), (280, 777276), (288, 755685), (315, 690912), (324, 671720), (336, 647730), (360, 604548), (378, 575760), (405, 537376), (420, 518184), (432, 503790), (480, 453411), (504, 431820), (540, 403032), (560, 388638), (567, 383840), (630, 345456), (648, 335860), (672, 323865), (720, 302274), (756, 287880), (810, 268688), (840, 259092), (864, 251895), (945, 230304), (1008, 215910), (1080, 201516), (1120, 194319), (1134, 191920), (1260, 172728), (1296, 167930), (1440, 151137), (1512, 143940), (1620, 134344), (1680, 129546), (1890, 115152), (2016, 107955), (2160, 100758), (2268, 95960), (2399, 90720), (2520, 86364), (2592, 83965), (2835, 76768), (3024, 71970), (3240, 67172), (3360, 64773), (3780, 57576), (4320, 50379), (4536, 47980), (4798, 45360), (5040, 43182), (5670, 38384), (6048, 35985), (6480, 33586), (7197, 30240), (7560, 28788), (9072, 23990), (9596, 22680), (10080, 21591), (11340, 19192), (11995, 18144), (12960, 16793), (14394, 15120)]