248411680

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:243

約数の個数: 192

約数和(自身を含む): 688020480

約数和(自身を除く): 439608800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 31, 32, 40, 44, 55, 58, 62, 80, 88, 110, 116, 124, 145, 155, 157, 160, 176, 220, 232, 248, 290, 310, 314, 319, 341, 352, 440, 464, 496, 580, 620, 628, 638, 682, 785, 880, 899, 928, 992, 1160, 1240, 1256, 1276, 1364, 1570, 1595, 1705, 1727, 1760, 1798, 2320, 2480, 2512, 2552, 2728, 3140, 3190, 3410, 3454, 3596, 4495, 4553, 4640, 4867, 4960, 5024, 5104, 5456, 6280, 6380, 6820, 6908, 7192, 8635, 8990, 9106, 9734, 9889, 10208, 10912, 12560, 12760, 13640, 13816, 14384, 17270, 17980, 18212, 19468, 19778, 22765, 24335, 25120, 25520, 27280, 27632, 28768, 34540, 35960, 36424, 38936, 39556, 45530, 48670, 49445, 50083, 51040, 53537, 54560, 55264, 69080, 71920, 72848, 77872, 79112, 91060, 97340, 98890, 100166, 107074, 138160, 141143, 143840, 145696, 155744, 158224, 182120, 194680, 197780, 200332, 214148, 250415, 267685, 276320, 282286, 316448, 364240, 389360, 395560, 400664, 428296, 500830, 535370, 564572, 705715, 728480, 778720, 791120, 801328, 856592, 1001660, 1070740, 1129144, 1411430, 1552573, 1582240, 1602656, 1713184, 2003320, 2141480, 2258288, 2822860, 3105146, 4006640, 4282960, 4516576, 5645720, 6210292, 7762865, 8013280, 8565920, 11291440, 12420584, 15525730, 22582880, 24841168, 31051460, 49682336, 62102920, 124205840, 248411680]

約数ペア:

[(1, 248411680), (2, 124205840), (4, 62102920), (5, 49682336), (8, 31051460), (10, 24841168), (11, 22582880), (16, 15525730), (20, 12420584), (22, 11291440), (29, 8565920), (31, 8013280), (32, 7762865), (40, 6210292), (44, 5645720), (55, 4516576), (58, 4282960), (62, 4006640), (80, 3105146), (88, 2822860), (110, 2258288), (116, 2141480), (124, 2003320), (145, 1713184), (155, 1602656), (157, 1582240), (160, 1552573), (176, 1411430), (220, 1129144), (232, 1070740), (248, 1001660), (290, 856592), (310, 801328), (314, 791120), (319, 778720), (341, 728480), (352, 705715), (440, 564572), (464, 535370), (496, 500830), (580, 428296), (620, 400664), (628, 395560), (638, 389360), (682, 364240), (785, 316448), (880, 282286), (899, 276320), (928, 267685), (992, 250415), (1160, 214148), (1240, 200332), (1256, 197780), (1276, 194680), (1364, 182120), (1570, 158224), (1595, 155744), (1705, 145696), (1727, 143840), (1760, 141143), (1798, 138160), (2320, 107074), (2480, 100166), (2512, 98890), (2552, 97340), (2728, 91060), (3140, 79112), (3190, 77872), (3410, 72848), (3454, 71920), (3596, 69080), (4495, 55264), (4553, 54560), (4640, 53537), (4867, 51040), (4960, 50083), (5024, 49445), (5104, 48670), (5456, 45530), (6280, 39556), (6380, 38936), (6820, 36424), (6908, 35960), (7192, 34540), (8635, 28768), (8990, 27632), (9106, 27280), (9734, 25520), (9889, 25120), (10208, 24335), (10912, 22765), (12560, 19778), (12760, 19468), (13640, 18212), (13816, 17980), (14384, 17270)]