17788890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:196

約数の個数: 128

約数和(自身を含む): 53084160

約数和(自身を除く): 35295270

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 29, 30, 35, 42, 46, 58, 69, 70, 87, 105, 115, 127, 138, 145, 161, 174, 203, 210, 230, 254, 290, 322, 345, 381, 406, 435, 483, 609, 635, 667, 690, 762, 805, 870, 889, 966, 1015, 1218, 1270, 1334, 1610, 1778, 1905, 2001, 2030, 2415, 2667, 2921, 3045, 3335, 3683, 3810, 4002, 4445, 4669, 4830, 5334, 5842, 6090, 6670, 7366, 8763, 8890, 9338, 10005, 11049, 13335, 14007, 14605, 17526, 18415, 20010, 20447, 22098, 23345, 25781, 26670, 28014, 29210, 36830, 40894, 43815, 46690, 51562, 55245, 61341, 70035, 77343, 84709, 87630, 102235, 110490, 122682, 128905, 140070, 154686, 169418, 204470, 254127, 257810, 306705, 386715, 423545, 508254, 592963, 613410, 773430, 847090, 1185926, 1270635, 1778889, 2541270, 2964815, 3557778, 5929630, 8894445, 17788890]

約数ペア:

[(1, 17788890), (2, 8894445), (3, 5929630), (5, 3557778), (6, 2964815), (7, 2541270), (10, 1778889), (14, 1270635), (15, 1185926), (21, 847090), (23, 773430), (29, 613410), (30, 592963), (35, 508254), (42, 423545), (46, 386715), (58, 306705), (69, 257810), (70, 254127), (87, 204470), (105, 169418), (115, 154686), (127, 140070), (138, 128905), (145, 122682), (161, 110490), (174, 102235), (203, 87630), (210, 84709), (230, 77343), (254, 70035), (290, 61341), (322, 55245), (345, 51562), (381, 46690), (406, 43815), (435, 40894), (483, 36830), (609, 29210), (635, 28014), (667, 26670), (690, 25781), (762, 23345), (805, 22098), (870, 20447), (889, 20010), (966, 18415), (1015, 17526), (1218, 14605), (1270, 14007), (1334, 13335), (1610, 11049), (1778, 10005), (1905, 9338), (2001, 8890), (2030, 8763), (2415, 7366), (2667, 6670), (2921, 6090), (3045, 5842), (3335, 5334), (3683, 4830), (3810, 4669), (4002, 4445)]