278801040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{631}}^1$

素因数の和:917

約数の個数: 160

約数和(自身を含む): 993079296

約数和(自身を除く): 714278256

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 263, 280, 336, 420, 526, 560, 631, 789, 840, 1052, 1262, 1315, 1578, 1680, 1841, 1893, 2104, 2524, 2630, 3155, 3156, 3682, 3786, 3945, 4208, 4417, 5048, 5260, 5523, 6310, 6312, 7364, 7572, 7890, 8834, 9205, 9465, 10096, 10520, 11046, 12620, 12624, 13251, 14728, 15144, 15780, 17668, 18410, 18930, 21040, 22085, 22092, 25240, 26502, 27615, 29456, 30288, 31560, 35336, 36820, 37860, 44170, 44184, 50480, 53004, 55230, 63120, 66255, 70672, 73640, 75720, 88340, 88368, 106008, 110460, 132510, 147280, 151440, 165953, 176680, 212016, 220920, 265020, 331906, 353360, 441840, 497859, 530040, 663812, 829765, 995718, 1060080, 1161671, 1327624, 1659530, 1991436, 2323342, 2489295, 2655248, 3319060, 3485013, 3982872, 4646684, 4978590, 5808355, 6638120, 6970026, 7965744, 9293368, 9957180, 11616710, 13276240, 13940052, 17425065, 18586736, 19914360, 23233420, 27880104, 34850130, 39828720, 46466840, 55760208, 69700260, 92933680, 139400520, 278801040]

約数ペア:

[(1, 278801040), (2, 139400520), (3, 92933680), (4, 69700260), (5, 55760208), (6, 46466840), (7, 39828720), (8, 34850130), (10, 27880104), (12, 23233420), (14, 19914360), (15, 18586736), (16, 17425065), (20, 13940052), (21, 13276240), (24, 11616710), (28, 9957180), (30, 9293368), (35, 7965744), (40, 6970026), (42, 6638120), (48, 5808355), (56, 4978590), (60, 4646684), (70, 3982872), (80, 3485013), (84, 3319060), (105, 2655248), (112, 2489295), (120, 2323342), (140, 1991436), (168, 1659530), (210, 1327624), (240, 1161671), (263, 1060080), (280, 995718), (336, 829765), (420, 663812), (526, 530040), (560, 497859), (631, 441840), (789, 353360), (840, 331906), (1052, 265020), (1262, 220920), (1315, 212016), (1578, 176680), (1680, 165953), (1841, 151440), (1893, 147280), (2104, 132510), (2524, 110460), (2630, 106008), (3155, 88368), (3156, 88340), (3682, 75720), (3786, 73640), (3945, 70672), (4208, 66255), (4417, 63120), (5048, 55230), (5260, 53004), (5523, 50480), (6310, 44184), (6312, 44170), (7364, 37860), (7572, 36820), (7890, 35336), (8834, 31560), (9205, 30288), (9465, 29456), (10096, 27615), (10520, 26502), (11046, 25240), (12620, 22092), (12624, 22085), (13251, 21040), (14728, 18930), (15144, 18410), (15780, 17668)]