640608864

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{383}}^1$

素因数の和:553

約数の個数: 192

約数和(自身を含む): 2043740160

約数和(自身を除く): 1403131296

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 56, 57, 76, 84, 96, 112, 114, 131, 133, 152, 168, 224, 228, 262, 266, 304, 336, 383, 393, 399, 456, 524, 532, 608, 672, 766, 786, 798, 912, 917, 1048, 1064, 1149, 1532, 1572, 1596, 1824, 1834, 2096, 2128, 2298, 2489, 2681, 2751, 3064, 3144, 3192, 3668, 4192, 4256, 4596, 4978, 5362, 5502, 6128, 6288, 6384, 7277, 7336, 7467, 8043, 9192, 9956, 10724, 11004, 12256, 12576, 12768, 14554, 14672, 14934, 16086, 17423, 18384, 19912, 21448, 21831, 22008, 29108, 29344, 29868, 32172, 34846, 36768, 39824, 42896, 43662, 44016, 50173, 50939, 52269, 58216, 59736, 64344, 69692, 79648, 85792, 87324, 88032, 100346, 101878, 104538, 116432, 119472, 128688, 139384, 150519, 152817, 174648, 200692, 203756, 209076, 232864, 238944, 257376, 278768, 301038, 305634, 349296, 351211, 401384, 407512, 418152, 557536, 602076, 611268, 698592, 702422, 802768, 815024, 836304, 953287, 1053633, 1204152, 1222536, 1404844, 1605536, 1630048, 1672608, 1906574, 2107266, 2408304, 2445072, 2809688, 2859861, 3813148, 4214532, 4816608, 4890144, 5619376, 5719722, 6673009, 7626296, 8429064, 11238752, 11439444, 13346018, 15252592, 16858128, 20019027, 22878888, 26692036, 30505184, 33716256, 40038054, 45757776, 53384072, 80076108, 91515552, 106768144, 160152216, 213536288, 320304432, 640608864]

約数ペア:

[(1, 640608864), (2, 320304432), (3, 213536288), (4, 160152216), (6, 106768144), (7, 91515552), (8, 80076108), (12, 53384072), (14, 45757776), (16, 40038054), (19, 33716256), (21, 30505184), (24, 26692036), (28, 22878888), (32, 20019027), (38, 16858128), (42, 15252592), (48, 13346018), (56, 11439444), (57, 11238752), (76, 8429064), (84, 7626296), (96, 6673009), (112, 5719722), (114, 5619376), (131, 4890144), (133, 4816608), (152, 4214532), (168, 3813148), (224, 2859861), (228, 2809688), (262, 2445072), (266, 2408304), (304, 2107266), (336, 1906574), (383, 1672608), (393, 1630048), (399, 1605536), (456, 1404844), (524, 1222536), (532, 1204152), (608, 1053633), (672, 953287), (766, 836304), (786, 815024), (798, 802768), (912, 702422), (917, 698592), (1048, 611268), (1064, 602076), (1149, 557536), (1532, 418152), (1572, 407512), (1596, 401384), (1824, 351211), (1834, 349296), (2096, 305634), (2128, 301038), (2298, 278768), (2489, 257376), (2681, 238944), (2751, 232864), (3064, 209076), (3144, 203756), (3192, 200692), (3668, 174648), (4192, 152817), (4256, 150519), (4596, 139384), (4978, 128688), (5362, 119472), (5502, 116432), (6128, 104538), (6288, 101878), (6384, 100346), (7277, 88032), (7336, 87324), (7467, 85792), (8043, 79648), (9192, 69692), (9956, 64344), (10724, 59736), (11004, 58216), (12256, 52269), (12576, 50939), (12768, 50173), (14554, 44016), (14672, 43662), (14934, 42896), (16086, 39824), (17423, 36768), (18384, 34846), (19912, 32172), (21448, 29868), (21831, 29344), (22008, 29108)]