87464658640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{17519}}^1\times {\mathrm{3671}}^1$

素因数の和:21220

約数の個数: 80

約数和(自身を含む): 215388357120

約数和(自身を除く): 127923698480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 3671, 7342, 14684, 17519, 18355, 29368, 35038, 36710, 58736, 62407, 70076, 73420, 87595, 124814, 140152, 146840, 175190, 249628, 280304, 293680, 297823, 312035, 350380, 499256, 595646, 624070, 700760, 998512, 1191292, 1248140, 1401520, 1489115, 2382584, 2496280, 2978230, 4765168, 4992560, 5956460, 11912920, 23825840, 64312249, 128624498, 257248996, 321561245, 514497992, 643122490, 1028995984, 1093308233, 1286244980, 2186616466, 2572489960, 4373232932, 5144979920, 5466541165, 8746465864, 10933082330, 17492931728, 21866164660, 43732329320, 87464658640]

約数ペア:

[(1, 87464658640), (2, 43732329320), (4, 21866164660), (5, 17492931728), (8, 10933082330), (10, 8746465864), (16, 5466541165), (17, 5144979920), (20, 4373232932), (34, 2572489960), (40, 2186616466), (68, 1286244980), (80, 1093308233), (85, 1028995984), (136, 643122490), (170, 514497992), (272, 321561245), (340, 257248996), (680, 128624498), (1360, 64312249), (3671, 23825840), (7342, 11912920), (14684, 5956460), (17519, 4992560), (18355, 4765168), (29368, 2978230), (35038, 2496280), (36710, 2382584), (58736, 1489115), (62407, 1401520), (70076, 1248140), (73420, 1191292), (87595, 998512), (124814, 700760), (140152, 624070), (146840, 595646), (175190, 499256), (249628, 350380), (280304, 312035), (293680, 297823)]