1821899664

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{283}}^1$

素因数の和:510

約数の個数: 240

約数和(自身を含む): 5832473920

約数和(自身を除く): 4010574256

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 36, 38, 39, 48, 52, 57, 72, 76, 78, 104, 114, 117, 144, 152, 156, 171, 181, 208, 228, 234, 247, 283, 304, 312, 342, 362, 456, 468, 494, 543, 566, 624, 684, 724, 741, 849, 912, 936, 988, 1086, 1132, 1368, 1448, 1482, 1629, 1698, 1872, 1976, 2172, 2223, 2264, 2353, 2547, 2736, 2896, 2964, 3258, 3396, 3439, 3679, 3952, 4344, 4446, 4528, 4706, 5094, 5377, 5928, 6516, 6792, 6878, 7059, 7358, 8688, 8892, 9412, 10188, 10317, 10754, 11037, 11856, 13032, 13584, 13756, 14118, 14716, 16131, 17784, 18824, 20376, 20634, 21177, 21508, 22074, 26064, 27512, 28236, 29432, 30951, 32262, 33111, 35568, 37648, 40752, 41268, 42354, 43016, 44148, 44707, 48393, 51223, 55024, 56472, 58864, 61902, 64524, 66222, 69901, 82536, 84708, 86032, 88296, 89414, 96786, 102446, 112944, 123804, 129048, 132444, 134121, 139802, 153669, 165072, 169416, 176592, 178828, 193572, 204892, 209703, 247608, 258096, 264888, 268242, 279604, 307338, 338832, 357656, 387144, 402363, 409784, 419406, 461007, 495216, 529776, 536484, 559208, 614676, 629109, 665899, 715312, 774288, 804726, 819568, 838812, 922014, 973237, 1072968, 1118416, 1229352, 1258218, 1331798, 1609452, 1677624, 1844028, 1946474, 1997697, 2145936, 2458704, 2516436, 2663596, 2919711, 3218904, 3355248, 3688056, 3892948, 3995394, 5032872, 5327192, 5839422, 5993091, 6437808, 7376112, 7785896, 7990788, 8759133, 10065744, 10654384, 11678844, 11986182, 12652081, 15571792, 15981576, 17518266, 23357688, 23972364, 25304162, 31963152, 35036532, 37956243, 46715376, 47944728, 50608324, 70073064, 75912486, 95889456, 101216648, 113868729, 140146128, 151824972, 202433296, 227737458, 303649944, 455474916, 607299888, 910949832, 1821899664]

約数ペア:

[(1, 1821899664), (2, 910949832), (3, 607299888), (4, 455474916), (6, 303649944), (8, 227737458), (9, 202433296), (12, 151824972), (13, 140146128), (16, 113868729), (18, 101216648), (19, 95889456), (24, 75912486), (26, 70073064), (36, 50608324), (38, 47944728), (39, 46715376), (48, 37956243), (52, 35036532), (57, 31963152), (72, 25304162), (76, 23972364), (78, 23357688), (104, 17518266), (114, 15981576), (117, 15571792), (144, 12652081), (152, 11986182), (156, 11678844), (171, 10654384), (181, 10065744), (208, 8759133), (228, 7990788), (234, 7785896), (247, 7376112), (283, 6437808), (304, 5993091), (312, 5839422), (342, 5327192), (362, 5032872), (456, 3995394), (468, 3892948), (494, 3688056), (543, 3355248), (566, 3218904), (624, 2919711), (684, 2663596), (724, 2516436), (741, 2458704), (849, 2145936), (912, 1997697), (936, 1946474), (988, 1844028), (1086, 1677624), (1132, 1609452), (1368, 1331798), (1448, 1258218), (1482, 1229352), (1629, 1118416), (1698, 1072968), (1872, 973237), (1976, 922014), (2172, 838812), (2223, 819568), (2264, 804726), (2353, 774288), (2547, 715312), (2736, 665899), (2896, 629109), (2964, 614676), (3258, 559208), (3396, 536484), (3439, 529776), (3679, 495216), (3952, 461007), (4344, 419406), (4446, 409784), (4528, 402363), (4706, 387144), (5094, 357656), (5377, 338832), (5928, 307338), (6516, 279604), (6792, 268242), (6878, 264888), (7059, 258096), (7358, 247608), (8688, 209703), (8892, 204892), (9412, 193572), (10188, 178828), (10317, 176592), (10754, 169416), (11037, 165072), (11856, 153669), (13032, 139802), (13584, 134121), (13756, 132444), (14118, 129048), (14716, 123804), (16131, 112944), (17784, 102446), (18824, 96786), (20376, 89414), (20634, 88296), (21177, 86032), (21508, 84708), (22074, 82536), (26064, 69901), (27512, 66222), (28236, 64524), (29432, 61902), (30951, 58864), (32262, 56472), (33111, 55024), (35568, 51223), (37648, 48393), (40752, 44707), (41268, 44148), (42354, 43016)]