720531756

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2467}}^1$

素因数の和:2564

約数の個数: 144

約数和(自身を含む): 2227912960

約数和(自身を除く): 1507381204

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 61, 63, 76, 84, 114, 122, 126, 133, 171, 183, 228, 244, 252, 266, 342, 366, 399, 427, 532, 549, 684, 732, 798, 854, 1098, 1159, 1197, 1281, 1596, 1708, 2196, 2318, 2394, 2467, 2562, 3477, 3843, 4636, 4788, 4934, 5124, 6954, 7401, 7686, 8113, 9868, 10431, 13908, 14802, 15372, 16226, 17269, 20862, 22203, 24339, 29604, 32452, 34538, 41724, 44406, 46873, 48678, 51807, 69076, 73017, 88812, 93746, 97356, 103614, 140619, 146034, 150487, 155421, 187492, 207228, 281238, 292068, 300974, 310842, 328111, 421857, 451461, 562476, 601948, 621684, 656222, 843714, 902922, 984333, 1053409, 1312444, 1354383, 1687428, 1805844, 1968666, 2106818, 2708766, 2859253, 2952999, 3160227, 3937332, 4213636, 5417532, 5718506, 5905998, 6320454, 8577759, 9480681, 11437012, 11811996, 12640908, 17155518, 18961362, 20014771, 25733277, 34311036, 37922724, 40029542, 51466554, 60044313, 80059084, 102933108, 120088626, 180132939, 240177252, 360265878, 720531756]

約数ペア:

[(1, 720531756), (2, 360265878), (3, 240177252), (4, 180132939), (6, 120088626), (7, 102933108), (9, 80059084), (12, 60044313), (14, 51466554), (18, 40029542), (19, 37922724), (21, 34311036), (28, 25733277), (36, 20014771), (38, 18961362), (42, 17155518), (57, 12640908), (61, 11811996), (63, 11437012), (76, 9480681), (84, 8577759), (114, 6320454), (122, 5905998), (126, 5718506), (133, 5417532), (171, 4213636), (183, 3937332), (228, 3160227), (244, 2952999), (252, 2859253), (266, 2708766), (342, 2106818), (366, 1968666), (399, 1805844), (427, 1687428), (532, 1354383), (549, 1312444), (684, 1053409), (732, 984333), (798, 902922), (854, 843714), (1098, 656222), (1159, 621684), (1197, 601948), (1281, 562476), (1596, 451461), (1708, 421857), (2196, 328111), (2318, 310842), (2394, 300974), (2467, 292068), (2562, 281238), (3477, 207228), (3843, 187492), (4636, 155421), (4788, 150487), (4934, 146034), (5124, 140619), (6954, 103614), (7401, 97356), (7686, 93746), (8113, 88812), (9868, 73017), (10431, 69076), (13908, 51807), (14802, 48678), (15372, 46873), (16226, 44406), (17269, 41724), (20862, 34538), (22203, 32452), (24339, 29604)]