84789880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{379}}^1$

素因数の和:461

約数の個数: 128

約数和(自身を含む): 236390400

約数和(自身を除く): 151600520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 47, 56, 68, 70, 85, 94, 119, 136, 140, 170, 188, 235, 238, 280, 329, 340, 376, 379, 470, 476, 595, 658, 680, 758, 799, 940, 952, 1190, 1316, 1516, 1598, 1645, 1880, 1895, 2380, 2632, 2653, 3032, 3196, 3290, 3790, 3995, 4760, 5306, 5593, 6392, 6443, 6580, 7580, 7990, 10612, 11186, 12886, 13160, 13265, 15160, 15980, 17813, 21224, 22372, 25772, 26530, 27965, 31960, 32215, 35626, 44744, 45101, 51544, 53060, 55930, 64430, 71252, 89065, 90202, 106120, 111860, 124691, 128860, 142504, 178130, 180404, 223720, 225505, 249382, 257720, 302821, 356260, 360808, 451010, 498764, 605642, 623455, 712520, 902020, 997528, 1211284, 1246910, 1514105, 1804040, 2119747, 2422568, 2493820, 3028210, 4239494, 4987640, 6056420, 8478988, 10598735, 12112840, 16957976, 21197470, 42394940, 84789880]

約数ペア:

[(1, 84789880), (2, 42394940), (4, 21197470), (5, 16957976), (7, 12112840), (8, 10598735), (10, 8478988), (14, 6056420), (17, 4987640), (20, 4239494), (28, 3028210), (34, 2493820), (35, 2422568), (40, 2119747), (47, 1804040), (56, 1514105), (68, 1246910), (70, 1211284), (85, 997528), (94, 902020), (119, 712520), (136, 623455), (140, 605642), (170, 498764), (188, 451010), (235, 360808), (238, 356260), (280, 302821), (329, 257720), (340, 249382), (376, 225505), (379, 223720), (470, 180404), (476, 178130), (595, 142504), (658, 128860), (680, 124691), (758, 111860), (799, 106120), (940, 90202), (952, 89065), (1190, 71252), (1316, 64430), (1516, 55930), (1598, 53060), (1645, 51544), (1880, 45101), (1895, 44744), (2380, 35626), (2632, 32215), (2653, 31960), (3032, 27965), (3196, 26530), (3290, 25772), (3790, 22372), (3995, 21224), (4760, 17813), (5306, 15980), (5593, 15160), (6392, 13265), (6443, 13160), (6580, 12886), (7580, 11186), (7990, 10612)]