77745760

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{283}}^1$

素因数の和:416

約数の個数: 96

約数和(自身を含む): 197098272

約数和(自身を除く): 119352512

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 101, 136, 160, 170, 202, 272, 283, 340, 404, 505, 544, 566, 680, 808, 1010, 1132, 1360, 1415, 1616, 1717, 2020, 2264, 2720, 2830, 3232, 3434, 4040, 4528, 4811, 5660, 6868, 8080, 8585, 9056, 9622, 11320, 13736, 16160, 17170, 19244, 22640, 24055, 27472, 28583, 34340, 38488, 45280, 48110, 54944, 57166, 68680, 76976, 96220, 114332, 137360, 142915, 153952, 192440, 228664, 274720, 285830, 384880, 457328, 485911, 571660, 769760, 914656, 971822, 1143320, 1943644, 2286640, 2429555, 3887288, 4573280, 4859110, 7774576, 9718220, 15549152, 19436440, 38872880, 77745760]

約数ペア:

[(1, 77745760), (2, 38872880), (4, 19436440), (5, 15549152), (8, 9718220), (10, 7774576), (16, 4859110), (17, 4573280), (20, 3887288), (32, 2429555), (34, 2286640), (40, 1943644), (68, 1143320), (80, 971822), (85, 914656), (101, 769760), (136, 571660), (160, 485911), (170, 457328), (202, 384880), (272, 285830), (283, 274720), (340, 228664), (404, 192440), (505, 153952), (544, 142915), (566, 137360), (680, 114332), (808, 96220), (1010, 76976), (1132, 68680), (1360, 57166), (1415, 54944), (1616, 48110), (1717, 45280), (2020, 38488), (2264, 34340), (2720, 28583), (2830, 27472), (3232, 24055), (3434, 22640), (4040, 19244), (4528, 17170), (4811, 16160), (5660, 13736), (6868, 11320), (8080, 9622), (8585, 9056)]