51478140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^2$

素因数の和:188

約数の個数: 144

約数和(自身を含む): 174279168

約数和(自身を除く): 122801028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 73, 84, 92, 105, 115, 138, 140, 146, 161, 210, 219, 230, 276, 292, 322, 345, 365, 420, 438, 460, 483, 511, 644, 690, 730, 805, 876, 966, 1022, 1095, 1380, 1460, 1533, 1610, 1679, 1932, 2044, 2190, 2415, 2555, 3066, 3220, 3358, 4380, 4830, 5037, 5110, 5329, 6132, 6716, 7665, 8395, 9660, 10074, 10220, 10658, 11753, 15330, 15987, 16790, 20148, 21316, 23506, 25185, 26645, 30660, 31974, 33580, 35259, 37303, 47012, 50370, 53290, 58765, 63948, 70518, 74606, 79935, 100740, 106580, 111909, 117530, 122567, 141036, 149212, 159870, 176295, 186515, 223818, 235060, 245134, 319740, 352590, 367701, 373030, 447636, 490268, 559545, 612835, 705180, 735402, 746060, 857969, 1119090, 1225670, 1470804, 1715938, 1838505, 2238180, 2451340, 2573907, 3431876, 3677010, 4289845, 5147814, 7354020, 8579690, 10295628, 12869535, 17159380, 25739070, 51478140]

約数ペア:

[(1, 51478140), (2, 25739070), (3, 17159380), (4, 12869535), (5, 10295628), (6, 8579690), (7, 7354020), (10, 5147814), (12, 4289845), (14, 3677010), (15, 3431876), (20, 2573907), (21, 2451340), (23, 2238180), (28, 1838505), (30, 1715938), (35, 1470804), (42, 1225670), (46, 1119090), (60, 857969), (69, 746060), (70, 735402), (73, 705180), (84, 612835), (92, 559545), (105, 490268), (115, 447636), (138, 373030), (140, 367701), (146, 352590), (161, 319740), (210, 245134), (219, 235060), (230, 223818), (276, 186515), (292, 176295), (322, 159870), (345, 149212), (365, 141036), (420, 122567), (438, 117530), (460, 111909), (483, 106580), (511, 100740), (644, 79935), (690, 74606), (730, 70518), (805, 63948), (876, 58765), (966, 53290), (1022, 50370), (1095, 47012), (1380, 37303), (1460, 35259), (1533, 33580), (1610, 31974), (1679, 30660), (1932, 26645), (2044, 25185), (2190, 23506), (2415, 21316), (2555, 20148), (3066, 16790), (3220, 15987), (3358, 15330), (4380, 11753), (4830, 10658), (5037, 10220), (5110, 10074), (5329, 9660), (6132, 8395), (6716, 7665)]