255949980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1297}}^1$

素因数の和:1356

約数の個数: 192

約数和(自身を含む): 879234048

約数和(自身を除く): 623284068

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 23, 26, 30, 33, 39, 44, 46, 52, 55, 60, 65, 66, 69, 78, 92, 110, 115, 130, 132, 138, 143, 156, 165, 195, 220, 230, 253, 260, 276, 286, 299, 330, 345, 390, 429, 460, 506, 572, 598, 660, 690, 715, 759, 780, 858, 897, 1012, 1196, 1265, 1297, 1380, 1430, 1495, 1518, 1716, 1794, 2145, 2530, 2594, 2860, 2990, 3036, 3289, 3588, 3795, 3891, 4290, 4485, 5060, 5188, 5980, 6485, 6578, 7590, 7782, 8580, 8970, 9867, 12970, 13156, 14267, 15180, 15564, 16445, 16861, 17940, 19455, 19734, 25940, 28534, 29831, 32890, 33722, 38910, 39468, 42801, 49335, 50583, 57068, 59662, 65780, 67444, 71335, 77820, 84305, 85602, 89493, 98670, 101166, 119324, 142670, 149155, 168610, 171204, 178986, 185471, 197340, 202332, 214005, 252915, 285340, 298310, 328141, 337220, 357972, 370942, 387803, 428010, 447465, 505830, 556413, 596620, 656282, 741884, 775606, 856020, 894930, 927355, 984423, 1011660, 1112826, 1163409, 1312564, 1551212, 1640705, 1789860, 1854710, 1939015, 1968846, 2225652, 2326818, 2782065, 3281410, 3709420, 3878030, 3937692, 4265833, 4653636, 4922115, 5564130, 5817045, 6562820, 7756060, 8531666, 9844230, 11128260, 11634090, 12797499, 17063332, 19688460, 21329165, 23268180, 25594998, 42658330, 51189996, 63987495, 85316660, 127974990, 255949980]

約数ペア:

[(1, 255949980), (2, 127974990), (3, 85316660), (4, 63987495), (5, 51189996), (6, 42658330), (10, 25594998), (11, 23268180), (12, 21329165), (13, 19688460), (15, 17063332), (20, 12797499), (22, 11634090), (23, 11128260), (26, 9844230), (30, 8531666), (33, 7756060), (39, 6562820), (44, 5817045), (46, 5564130), (52, 4922115), (55, 4653636), (60, 4265833), (65, 3937692), (66, 3878030), (69, 3709420), (78, 3281410), (92, 2782065), (110, 2326818), (115, 2225652), (130, 1968846), (132, 1939015), (138, 1854710), (143, 1789860), (156, 1640705), (165, 1551212), (195, 1312564), (220, 1163409), (230, 1112826), (253, 1011660), (260, 984423), (276, 927355), (286, 894930), (299, 856020), (330, 775606), (345, 741884), (390, 656282), (429, 596620), (460, 556413), (506, 505830), (572, 447465), (598, 428010), (660, 387803), (690, 370942), (715, 357972), (759, 337220), (780, 328141), (858, 298310), (897, 285340), (1012, 252915), (1196, 214005), (1265, 202332), (1297, 197340), (1380, 185471), (1430, 178986), (1495, 171204), (1518, 168610), (1716, 149155), (1794, 142670), (2145, 119324), (2530, 101166), (2594, 98670), (2860, 89493), (2990, 85602), (3036, 84305), (3289, 77820), (3588, 71335), (3795, 67444), (3891, 65780), (4290, 59662), (4485, 57068), (5060, 50583), (5188, 49335), (5980, 42801), (6485, 39468), (6578, 38910), (7590, 33722), (7782, 32890), (8580, 29831), (8970, 28534), (9867, 25940), (12970, 19734), (13156, 19455), (14267, 17940), (15180, 16861), (15564, 16445)]