251367264

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:753

約数の個数: 144

約数和(自身を含む): 764225280

約数和(自身を除く): 512858016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 71, 72, 76, 96, 114, 142, 144, 152, 171, 213, 228, 284, 288, 304, 342, 426, 456, 568, 608, 639, 647, 684, 852, 912, 1136, 1278, 1294, 1349, 1368, 1704, 1824, 1941, 2272, 2556, 2588, 2698, 2736, 3408, 3882, 4047, 5112, 5176, 5396, 5472, 5823, 6816, 7764, 8094, 10224, 10352, 10792, 11646, 12141, 12293, 15528, 16188, 20448, 20704, 21584, 23292, 24282, 24586, 31056, 32376, 36879, 43168, 45937, 46584, 48564, 49172, 62112, 64752, 73758, 91874, 93168, 97128, 98344, 110637, 129504, 137811, 147516, 183748, 186336, 194256, 196688, 221274, 275622, 295032, 367496, 388512, 393376, 413433, 442548, 551244, 590064, 734992, 826866, 872803, 885096, 1102488, 1180128, 1469984, 1653732, 1745606, 1770192, 2204976, 2618409, 3307464, 3491212, 3540384, 4409952, 5236818, 6614928, 6982424, 7855227, 10473636, 13229856, 13964848, 15710454, 20947272, 27929696, 31420908, 41894544, 62841816, 83789088, 125683632, 251367264]

約数ペア:

[(1, 251367264), (2, 125683632), (3, 83789088), (4, 62841816), (6, 41894544), (8, 31420908), (9, 27929696), (12, 20947272), (16, 15710454), (18, 13964848), (19, 13229856), (24, 10473636), (32, 7855227), (36, 6982424), (38, 6614928), (48, 5236818), (57, 4409952), (71, 3540384), (72, 3491212), (76, 3307464), (96, 2618409), (114, 2204976), (142, 1770192), (144, 1745606), (152, 1653732), (171, 1469984), (213, 1180128), (228, 1102488), (284, 885096), (288, 872803), (304, 826866), (342, 734992), (426, 590064), (456, 551244), (568, 442548), (608, 413433), (639, 393376), (647, 388512), (684, 367496), (852, 295032), (912, 275622), (1136, 221274), (1278, 196688), (1294, 194256), (1349, 186336), (1368, 183748), (1704, 147516), (1824, 137811), (1941, 129504), (2272, 110637), (2556, 98344), (2588, 97128), (2698, 93168), (2736, 91874), (3408, 73758), (3882, 64752), (4047, 62112), (5112, 49172), (5176, 48564), (5396, 46584), (5472, 45937), (5823, 43168), (6816, 36879), (7764, 32376), (8094, 31056), (10224, 24586), (10352, 24282), (10792, 23292), (11646, 21584), (12141, 20704), (12293, 20448), (15528, 16188)]