780958640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1307}}^1$

素因数の和:1435

約数の個数: 160

約数和(自身を含む): 2288853504

約数和(自身を除く): 1507894864

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 97, 110, 112, 140, 154, 176, 194, 220, 280, 308, 385, 388, 440, 485, 560, 616, 679, 770, 776, 880, 970, 1067, 1232, 1307, 1358, 1540, 1552, 1940, 2134, 2614, 2716, 3080, 3395, 3880, 4268, 5228, 5335, 5432, 6160, 6535, 6790, 7469, 7760, 8536, 9149, 10456, 10670, 10864, 13070, 13580, 14377, 14938, 17072, 18298, 20912, 21340, 26140, 27160, 28754, 29876, 36596, 37345, 42680, 45745, 52280, 54320, 57508, 59752, 71885, 73192, 74690, 85360, 91490, 100639, 104560, 115016, 119504, 126779, 143770, 146384, 149380, 182980, 201278, 230032, 253558, 287540, 298760, 365960, 402556, 503195, 507116, 575080, 597520, 633895, 731920, 805112, 887453, 1006390, 1014232, 1150160, 1267790, 1394569, 1610224, 1774906, 2012780, 2028464, 2535580, 2789138, 3549812, 4025560, 4437265, 5071160, 5578276, 6972845, 7099624, 8051120, 8874530, 9761983, 10142320, 11156552, 13945690, 14199248, 17749060, 19523966, 22313104, 27891380, 35498120, 39047932, 48809915, 55782760, 70996240, 78095864, 97619830, 111565520, 156191728, 195239660, 390479320, 780958640]

約数ペア:

[(1, 780958640), (2, 390479320), (4, 195239660), (5, 156191728), (7, 111565520), (8, 97619830), (10, 78095864), (11, 70996240), (14, 55782760), (16, 48809915), (20, 39047932), (22, 35498120), (28, 27891380), (35, 22313104), (40, 19523966), (44, 17749060), (55, 14199248), (56, 13945690), (70, 11156552), (77, 10142320), (80, 9761983), (88, 8874530), (97, 8051120), (110, 7099624), (112, 6972845), (140, 5578276), (154, 5071160), (176, 4437265), (194, 4025560), (220, 3549812), (280, 2789138), (308, 2535580), (385, 2028464), (388, 2012780), (440, 1774906), (485, 1610224), (560, 1394569), (616, 1267790), (679, 1150160), (770, 1014232), (776, 1006390), (880, 887453), (970, 805112), (1067, 731920), (1232, 633895), (1307, 597520), (1358, 575080), (1540, 507116), (1552, 503195), (1940, 402556), (2134, 365960), (2614, 298760), (2716, 287540), (3080, 253558), (3395, 230032), (3880, 201278), (4268, 182980), (5228, 149380), (5335, 146384), (5432, 143770), (6160, 126779), (6535, 119504), (6790, 115016), (7469, 104560), (7760, 100639), (8536, 91490), (9149, 85360), (10456, 74690), (10670, 73192), (10864, 71885), (13070, 59752), (13580, 57508), (14377, 54320), (14938, 52280), (17072, 45745), (18298, 42680), (20912, 37345), (21340, 36596), (26140, 29876), (27160, 28754)]