55678480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:225

約数の個数: 160

約数和(自身を含む): 157989888

約数和(自身を除く): 102311408

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 80, 88, 104, 110, 124, 130, 143, 155, 157, 176, 208, 220, 248, 260, 286, 310, 314, 341, 403, 440, 496, 520, 572, 620, 628, 682, 715, 785, 806, 880, 1040, 1144, 1240, 1256, 1364, 1430, 1570, 1612, 1705, 1727, 2015, 2041, 2288, 2480, 2512, 2728, 2860, 3140, 3224, 3410, 3454, 4030, 4082, 4433, 4867, 5456, 5720, 6280, 6448, 6820, 6908, 8060, 8164, 8635, 8866, 9734, 10205, 11440, 12560, 13640, 13816, 16120, 16328, 17270, 17732, 19468, 20410, 22165, 22451, 24335, 27280, 27632, 32240, 32656, 34540, 35464, 38936, 40820, 44330, 44902, 48670, 53537, 63271, 69080, 70928, 77872, 81640, 88660, 89804, 97340, 107074, 112255, 126542, 138160, 163280, 177320, 179608, 194680, 214148, 224510, 253084, 267685, 316355, 354640, 359216, 389360, 428296, 449020, 506168, 535370, 632710, 695981, 856592, 898040, 1012336, 1070740, 1265420, 1391962, 1796080, 2141480, 2530840, 2783924, 3479905, 4282960, 5061680, 5567848, 6959810, 11135696, 13919620, 27839240, 55678480]

約数ペア:

[(1, 55678480), (2, 27839240), (4, 13919620), (5, 11135696), (8, 6959810), (10, 5567848), (11, 5061680), (13, 4282960), (16, 3479905), (20, 2783924), (22, 2530840), (26, 2141480), (31, 1796080), (40, 1391962), (44, 1265420), (52, 1070740), (55, 1012336), (62, 898040), (65, 856592), (80, 695981), (88, 632710), (104, 535370), (110, 506168), (124, 449020), (130, 428296), (143, 389360), (155, 359216), (157, 354640), (176, 316355), (208, 267685), (220, 253084), (248, 224510), (260, 214148), (286, 194680), (310, 179608), (314, 177320), (341, 163280), (403, 138160), (440, 126542), (496, 112255), (520, 107074), (572, 97340), (620, 89804), (628, 88660), (682, 81640), (715, 77872), (785, 70928), (806, 69080), (880, 63271), (1040, 53537), (1144, 48670), (1240, 44902), (1256, 44330), (1364, 40820), (1430, 38936), (1570, 35464), (1612, 34540), (1705, 32656), (1727, 32240), (2015, 27632), (2041, 27280), (2288, 24335), (2480, 22451), (2512, 22165), (2728, 20410), (2860, 19468), (3140, 17732), (3224, 17270), (3410, 16328), (3454, 16120), (4030, 13816), (4082, 13640), (4433, 12560), (4867, 11440), (5456, 10205), (5720, 9734), (6280, 8866), (6448, 8635), (6820, 8164), (6908, 8060)]