1284951456

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{127}}^1$

素因数の和:248

約数の個数: 216

約数和(自身を含む): 3968939520

約数和(自身を除く): 2683988064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 43, 48, 57, 72, 76, 86, 96, 114, 127, 129, 144, 152, 171, 172, 228, 254, 258, 288, 304, 342, 344, 381, 387, 456, 508, 516, 608, 684, 688, 762, 774, 817, 912, 1016, 1032, 1143, 1368, 1376, 1524, 1548, 1634, 1824, 1849, 2032, 2064, 2286, 2413, 2451, 2736, 3048, 3096, 3268, 3698, 4064, 4128, 4572, 4826, 4902, 5461, 5472, 5547, 6096, 6192, 6536, 7239, 7353, 7396, 9144, 9652, 9804, 10922, 11094, 12192, 12384, 13072, 14478, 14706, 14792, 16383, 16641, 18288, 19304, 19608, 21717, 21844, 22188, 26144, 28956, 29412, 29584, 32766, 33282, 35131, 36576, 38608, 39216, 43434, 43688, 44376, 49149, 57912, 58824, 59168, 65532, 66564, 70262, 77216, 78432, 86868, 87376, 88752, 98298, 103759, 105393, 115824, 117648, 131064, 133128, 140524, 173736, 174752, 177504, 196596, 207518, 210786, 231648, 234823, 235296, 262128, 266256, 281048, 311277, 316179, 347472, 393192, 415036, 421572, 469646, 524256, 532512, 562096, 622554, 632358, 694944, 704469, 786384, 830072, 843144, 933831, 939292, 1124192, 1245108, 1264716, 1408938, 1572768, 1660144, 1686288, 1867662, 1878584, 2113407, 2490216, 2529432, 2817876, 3320288, 3372576, 3735324, 3757168, 4226814, 4461637, 4980432, 5058864, 5635752, 7470648, 7514336, 8453628, 8923274, 9960864, 10117728, 11271504, 13384911, 14941296, 16907256, 17846548, 22543008, 26769822, 29882592, 33814512, 35693096, 40154733, 53539644, 67629024, 71386192, 80309466, 107079288, 142772384, 160618932, 214158576, 321237864, 428317152, 642475728, 1284951456]

約数ペア:

[(1, 1284951456), (2, 642475728), (3, 428317152), (4, 321237864), (6, 214158576), (8, 160618932), (9, 142772384), (12, 107079288), (16, 80309466), (18, 71386192), (19, 67629024), (24, 53539644), (32, 40154733), (36, 35693096), (38, 33814512), (43, 29882592), (48, 26769822), (57, 22543008), (72, 17846548), (76, 16907256), (86, 14941296), (96, 13384911), (114, 11271504), (127, 10117728), (129, 9960864), (144, 8923274), (152, 8453628), (171, 7514336), (172, 7470648), (228, 5635752), (254, 5058864), (258, 4980432), (288, 4461637), (304, 4226814), (342, 3757168), (344, 3735324), (381, 3372576), (387, 3320288), (456, 2817876), (508, 2529432), (516, 2490216), (608, 2113407), (684, 1878584), (688, 1867662), (762, 1686288), (774, 1660144), (817, 1572768), (912, 1408938), (1016, 1264716), (1032, 1245108), (1143, 1124192), (1368, 939292), (1376, 933831), (1524, 843144), (1548, 830072), (1634, 786384), (1824, 704469), (1849, 694944), (2032, 632358), (2064, 622554), (2286, 562096), (2413, 532512), (2451, 524256), (2736, 469646), (3048, 421572), (3096, 415036), (3268, 393192), (3698, 347472), (4064, 316179), (4128, 311277), (4572, 281048), (4826, 266256), (4902, 262128), (5461, 235296), (5472, 234823), (5547, 231648), (6096, 210786), (6192, 207518), (6536, 196596), (7239, 177504), (7353, 174752), (7396, 173736), (9144, 140524), (9652, 133128), (9804, 131064), (10922, 117648), (11094, 115824), (12192, 105393), (12384, 103759), (13072, 98298), (14478, 88752), (14706, 87376), (14792, 86868), (16383, 78432), (16641, 77216), (18288, 70262), (19304, 66564), (19608, 65532), (21717, 59168), (21844, 58824), (22188, 57912), (26144, 49149), (28956, 44376), (29412, 43688), (29584, 43434), (32766, 39216), (33282, 38608), (35131, 36576)]