280921200

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{631}}^1$

素因数の和:712

約数の個数: 240

約数和(自身を含む): 1049504256

約数和(自身を除く): 768583056

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 53, 56, 60, 70, 75, 80, 84, 100, 105, 106, 112, 120, 140, 150, 159, 168, 175, 200, 210, 212, 240, 265, 280, 300, 318, 336, 350, 371, 400, 420, 424, 525, 530, 560, 600, 631, 636, 700, 742, 795, 840, 848, 1050, 1060, 1113, 1200, 1262, 1272, 1325, 1400, 1484, 1590, 1680, 1855, 1893, 2100, 2120, 2226, 2524, 2544, 2650, 2800, 2968, 3155, 3180, 3710, 3786, 3975, 4200, 4240, 4417, 4452, 5048, 5300, 5565, 5936, 6310, 6360, 7420, 7572, 7950, 8400, 8834, 8904, 9275, 9465, 10096, 10600, 11130, 12620, 12720, 13251, 14840, 15144, 15775, 15900, 17668, 17808, 18550, 18930, 21200, 22085, 22260, 25240, 26502, 27825, 29680, 30288, 31550, 31800, 33443, 35336, 37100, 37860, 44170, 44520, 47325, 50480, 53004, 55650, 63100, 63600, 66255, 66886, 70672, 74200, 75720, 88340, 89040, 94650, 100329, 106008, 110425, 111300, 126200, 132510, 133772, 148400, 151440, 167215, 176680, 189300, 200658, 212016, 220850, 222600, 234101, 252400, 265020, 267544, 331275, 334430, 353360, 378600, 401316, 441700, 445200, 468202, 501645, 530040, 535088, 662550, 668860, 702303, 757200, 802632, 836075, 883400, 936404, 1003290, 1060080, 1170505, 1325100, 1337720, 1404606, 1605264, 1672150, 1766800, 1872808, 2006580, 2341010, 2508225, 2650200, 2675440, 2809212, 3344300, 3511515, 3745616, 4013160, 4682020, 5016450, 5300400, 5618424, 5852525, 6688600, 7023030, 8026320, 9364040, 10032900, 11236848, 11705050, 13377200, 14046060, 17557575, 18728080, 20065800, 23410100, 28092120, 35115150, 40131600, 46820200, 56184240, 70230300, 93640400, 140460600, 280921200]

約数ペア:

[(1, 280921200), (2, 140460600), (3, 93640400), (4, 70230300), (5, 56184240), (6, 46820200), (7, 40131600), (8, 35115150), (10, 28092120), (12, 23410100), (14, 20065800), (15, 18728080), (16, 17557575), (20, 14046060), (21, 13377200), (24, 11705050), (25, 11236848), (28, 10032900), (30, 9364040), (35, 8026320), (40, 7023030), (42, 6688600), (48, 5852525), (50, 5618424), (53, 5300400), (56, 5016450), (60, 4682020), (70, 4013160), (75, 3745616), (80, 3511515), (84, 3344300), (100, 2809212), (105, 2675440), (106, 2650200), (112, 2508225), (120, 2341010), (140, 2006580), (150, 1872808), (159, 1766800), (168, 1672150), (175, 1605264), (200, 1404606), (210, 1337720), (212, 1325100), (240, 1170505), (265, 1060080), (280, 1003290), (300, 936404), (318, 883400), (336, 836075), (350, 802632), (371, 757200), (400, 702303), (420, 668860), (424, 662550), (525, 535088), (530, 530040), (560, 501645), (600, 468202), (631, 445200), (636, 441700), (700, 401316), (742, 378600), (795, 353360), (840, 334430), (848, 331275), (1050, 267544), (1060, 265020), (1113, 252400), (1200, 234101), (1262, 222600), (1272, 220850), (1325, 212016), (1400, 200658), (1484, 189300), (1590, 176680), (1680, 167215), (1855, 151440), (1893, 148400), (2100, 133772), (2120, 132510), (2226, 126200), (2524, 111300), (2544, 110425), (2650, 106008), (2800, 100329), (2968, 94650), (3155, 89040), (3180, 88340), (3710, 75720), (3786, 74200), (3975, 70672), (4200, 66886), (4240, 66255), (4417, 63600), (4452, 63100), (5048, 55650), (5300, 53004), (5565, 50480), (5936, 47325), (6310, 44520), (6360, 44170), (7420, 37860), (7572, 37100), (7950, 35336), (8400, 33443), (8834, 31800), (8904, 31550), (9275, 30288), (9465, 29680), (10096, 27825), (10600, 26502), (11130, 25240), (12620, 22260), (12720, 22085), (13251, 21200), (14840, 18930), (15144, 18550), (15775, 17808), (15900, 17668)]