748182120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{1949}}^1$

素因数の和:2427

約数の個数: 128

約数和(自身を含む): 2572128000

約数和(自身を除く): 1823945880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 457, 840, 914, 1371, 1828, 1949, 2285, 2742, 3199, 3656, 3898, 4570, 5484, 5847, 6398, 6855, 7796, 9140, 9597, 9745, 10968, 11694, 12796, 13643, 13710, 15592, 15995, 18280, 19194, 19490, 23388, 25592, 27286, 27420, 29235, 31990, 38388, 38980, 40929, 46776, 47985, 54572, 54840, 58470, 63980, 68215, 76776, 77960, 81858, 95970, 109144, 116940, 127960, 136430, 163716, 191940, 204645, 233880, 272860, 327432, 383880, 409290, 545720, 818580, 890693, 1637160, 1781386, 2672079, 3562772, 4453465, 5344158, 6234851, 7125544, 8906930, 10688316, 12469702, 13360395, 17813860, 18704553, 21376632, 24939404, 26720790, 31174255, 35627720, 37409106, 49878808, 53441580, 62348510, 74818212, 93522765, 106883160, 124697020, 149636424, 187045530, 249394040, 374091060, 748182120]

約数ペア:

[(1, 748182120), (2, 374091060), (3, 249394040), (4, 187045530), (5, 149636424), (6, 124697020), (7, 106883160), (8, 93522765), (10, 74818212), (12, 62348510), (14, 53441580), (15, 49878808), (20, 37409106), (21, 35627720), (24, 31174255), (28, 26720790), (30, 24939404), (35, 21376632), (40, 18704553), (42, 17813860), (56, 13360395), (60, 12469702), (70, 10688316), (84, 8906930), (105, 7125544), (120, 6234851), (140, 5344158), (168, 4453465), (210, 3562772), (280, 2672079), (420, 1781386), (457, 1637160), (840, 890693), (914, 818580), (1371, 545720), (1828, 409290), (1949, 383880), (2285, 327432), (2742, 272860), (3199, 233880), (3656, 204645), (3898, 191940), (4570, 163716), (5484, 136430), (5847, 127960), (6398, 116940), (6855, 109144), (7796, 95970), (9140, 81858), (9597, 77960), (9745, 76776), (10968, 68215), (11694, 63980), (12796, 58470), (13643, 54840), (13710, 54572), (15592, 47985), (15995, 46776), (18280, 40929), (19194, 38980), (19490, 38388), (23388, 31990), (25592, 29235), (27286, 27420)]