654400128

素因数分解:

$2^7\times 3^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{349}}^1$

素因数の和:642

約数の個数: 128

約数和(自身を含む): 1842120000

約数和(自身を除く): 1187719872

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 64, 76, 96, 114, 128, 152, 192, 228, 257, 304, 349, 384, 456, 514, 608, 698, 771, 912, 1028, 1047, 1216, 1396, 1542, 1824, 2056, 2094, 2432, 2792, 3084, 3648, 4112, 4188, 4883, 5584, 6168, 6631, 7296, 8224, 8376, 9766, 11168, 12336, 13262, 14649, 16448, 16752, 19532, 19893, 22336, 24672, 26524, 29298, 32896, 33504, 39064, 39786, 44672, 49344, 53048, 58596, 67008, 78128, 79572, 89693, 98688, 106096, 117192, 134016, 156256, 159144, 179386, 212192, 234384, 269079, 312512, 318288, 358772, 424384, 468768, 538158, 625024, 636576, 717544, 848768, 937536, 1076316, 1273152, 1435088, 1704167, 1875072, 2152632, 2546304, 2870176, 3408334, 4305264, 5112501, 5740352, 6816668, 8610528, 10225002, 11480704, 13633336, 17221056, 20450004, 27266672, 34442112, 40900008, 54533344, 81800016, 109066688, 163600032, 218133376, 327200064, 654400128]

約数ペア:

[(1, 654400128), (2, 327200064), (3, 218133376), (4, 163600032), (6, 109066688), (8, 81800016), (12, 54533344), (16, 40900008), (19, 34442112), (24, 27266672), (32, 20450004), (38, 17221056), (48, 13633336), (57, 11480704), (64, 10225002), (76, 8610528), (96, 6816668), (114, 5740352), (128, 5112501), (152, 4305264), (192, 3408334), (228, 2870176), (257, 2546304), (304, 2152632), (349, 1875072), (384, 1704167), (456, 1435088), (514, 1273152), (608, 1076316), (698, 937536), (771, 848768), (912, 717544), (1028, 636576), (1047, 625024), (1216, 538158), (1396, 468768), (1542, 424384), (1824, 358772), (2056, 318288), (2094, 312512), (2432, 269079), (2792, 234384), (3084, 212192), (3648, 179386), (4112, 159144), (4188, 156256), (4883, 134016), (5584, 117192), (6168, 106096), (6631, 98688), (7296, 89693), (8224, 79572), (8376, 78128), (9766, 67008), (11168, 58596), (12336, 53048), (13262, 49344), (14649, 44672), (16448, 39786), (16752, 39064), (19532, 33504), (19893, 32896), (22336, 29298), (24672, 26524)]