642475728

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{127}}^1$

素因数の和:246

約数の個数: 180

約数和(自身を含む): 1952970240

約数和(自身を除く): 1310494512

約数列:

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

約数ペア:

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