66813804

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:220

約数の個数: 144

約数和(自身を含む): 192890880

約数和(自身を除く): 126077076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 31, 36, 38, 46, 57, 62, 69, 76, 92, 93, 114, 124, 137, 138, 171, 186, 207, 228, 274, 276, 279, 342, 372, 411, 414, 437, 548, 558, 589, 684, 713, 822, 828, 874, 1116, 1178, 1233, 1311, 1426, 1644, 1748, 1767, 2139, 2356, 2466, 2603, 2622, 2852, 3151, 3534, 3933, 4247, 4278, 4932, 5206, 5244, 5301, 6302, 6417, 7068, 7809, 7866, 8494, 8556, 9453, 10412, 10602, 12604, 12741, 12834, 13547, 15618, 15732, 16988, 18906, 21204, 23427, 25482, 25668, 27094, 28359, 31236, 37812, 38223, 40641, 46854, 50964, 54188, 56718, 59869, 76446, 80693, 81282, 93708, 97681, 113436, 119738, 121923, 152892, 161386, 162564, 179607, 195362, 239476, 242079, 243846, 293043, 322772, 359214, 390724, 484158, 487692, 538821, 586086, 718428, 726237, 879129, 968316, 1077642, 1172172, 1452474, 1758258, 1855939, 2155284, 2904948, 3516516, 3711878, 5567817, 7423756, 11135634, 16703451, 22271268, 33406902, 66813804]

約数ペア:

[(1, 66813804), (2, 33406902), (3, 22271268), (4, 16703451), (6, 11135634), (9, 7423756), (12, 5567817), (18, 3711878), (19, 3516516), (23, 2904948), (31, 2155284), (36, 1855939), (38, 1758258), (46, 1452474), (57, 1172172), (62, 1077642), (69, 968316), (76, 879129), (92, 726237), (93, 718428), (114, 586086), (124, 538821), (137, 487692), (138, 484158), (171, 390724), (186, 359214), (207, 322772), (228, 293043), (274, 243846), (276, 242079), (279, 239476), (342, 195362), (372, 179607), (411, 162564), (414, 161386), (437, 152892), (548, 121923), (558, 119738), (589, 113436), (684, 97681), (713, 93708), (822, 81282), (828, 80693), (874, 76446), (1116, 59869), (1178, 56718), (1233, 54188), (1311, 50964), (1426, 46854), (1644, 40641), (1748, 38223), (1767, 37812), (2139, 31236), (2356, 28359), (2466, 27094), (2603, 25668), (2622, 25482), (2852, 23427), (3151, 21204), (3534, 18906), (3933, 16988), (4247, 15732), (4278, 15618), (4932, 13547), (5206, 12834), (5244, 12741), (5301, 12604), (6302, 10602), (6417, 10412), (7068, 9453), (7809, 8556), (7866, 8494)]