217921440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{277}}^1$

素因数の和:455

約数の個数: 192

約数和(自身を含む): 756604800

約数和(自身を除く): 538683360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 110, 120, 132, 149, 160, 165, 176, 220, 240, 264, 277, 298, 330, 352, 440, 447, 480, 528, 554, 596, 660, 745, 831, 880, 894, 1056, 1108, 1192, 1320, 1385, 1490, 1639, 1662, 1760, 1788, 2216, 2235, 2384, 2640, 2770, 2980, 3047, 3278, 3324, 3576, 4155, 4432, 4470, 4768, 4917, 5280, 5540, 5960, 6094, 6556, 6648, 7152, 8195, 8310, 8864, 8940, 9141, 9834, 11080, 11920, 12188, 13112, 13296, 14304, 15235, 16390, 16620, 17880, 18282, 19668, 22160, 23840, 24376, 24585, 26224, 26592, 30470, 32780, 33240, 35760, 36564, 39336, 41273, 44320, 45705, 48752, 49170, 52448, 60940, 65560, 66480, 71520, 73128, 78672, 82546, 91410, 97504, 98340, 121880, 123819, 131120, 132960, 146256, 157344, 165092, 182820, 196680, 206365, 243760, 247638, 262240, 292512, 330184, 365640, 393360, 412730, 454003, 487520, 495276, 619095, 660368, 731280, 786720, 825460, 908006, 990552, 1238190, 1320736, 1362009, 1462560, 1650920, 1816012, 1981104, 2270015, 2476380, 2724018, 3301840, 3632024, 3962208, 4540030, 4952760, 5448036, 6603680, 6810045, 7264048, 9080060, 9905520, 10896072, 13620090, 14528096, 18160120, 19811040, 21792144, 27240180, 36320240, 43584288, 54480360, 72640480, 108960720, 217921440]

約数ペア:

[(1, 217921440), (2, 108960720), (3, 72640480), (4, 54480360), (5, 43584288), (6, 36320240), (8, 27240180), (10, 21792144), (11, 19811040), (12, 18160120), (15, 14528096), (16, 13620090), (20, 10896072), (22, 9905520), (24, 9080060), (30, 7264048), (32, 6810045), (33, 6603680), (40, 5448036), (44, 4952760), (48, 4540030), (55, 3962208), (60, 3632024), (66, 3301840), (80, 2724018), (88, 2476380), (96, 2270015), (110, 1981104), (120, 1816012), (132, 1650920), (149, 1462560), (160, 1362009), (165, 1320736), (176, 1238190), (220, 990552), (240, 908006), (264, 825460), (277, 786720), (298, 731280), (330, 660368), (352, 619095), (440, 495276), (447, 487520), (480, 454003), (528, 412730), (554, 393360), (596, 365640), (660, 330184), (745, 292512), (831, 262240), (880, 247638), (894, 243760), (1056, 206365), (1108, 196680), (1192, 182820), (1320, 165092), (1385, 157344), (1490, 146256), (1639, 132960), (1662, 131120), (1760, 123819), (1788, 121880), (2216, 98340), (2235, 97504), (2384, 91410), (2640, 82546), (2770, 78672), (2980, 73128), (3047, 71520), (3278, 66480), (3324, 65560), (3576, 60940), (4155, 52448), (4432, 49170), (4470, 48752), (4768, 45705), (4917, 44320), (5280, 41273), (5540, 39336), (5960, 36564), (6094, 35760), (6556, 33240), (6648, 32780), (7152, 30470), (8195, 26592), (8310, 26224), (8864, 24585), (8940, 24376), (9141, 23840), (9834, 22160), (11080, 19668), (11920, 18282), (12188, 17880), (13112, 16620), (13296, 16390), (14304, 15235)]