855673840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{677}}^1$

素因数の和:795

約数の個数: 160

約数和(自身を含む): 2376883584

約数和(自身を除く): 1521209744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 61, 70, 74, 80, 112, 122, 140, 148, 185, 244, 259, 280, 296, 305, 370, 427, 488, 518, 560, 592, 610, 677, 740, 854, 976, 1036, 1220, 1295, 1354, 1480, 1708, 2072, 2135, 2257, 2440, 2590, 2708, 2960, 3385, 3416, 4144, 4270, 4514, 4739, 4880, 5180, 5416, 6770, 6832, 8540, 9028, 9478, 10360, 10832, 11285, 13540, 15799, 17080, 18056, 18956, 20720, 22570, 23695, 25049, 27080, 31598, 34160, 36112, 37912, 41297, 45140, 47390, 50098, 54160, 63196, 75824, 78995, 82594, 90280, 94780, 100196, 125245, 126392, 157990, 165188, 175343, 180560, 189560, 200392, 206485, 250490, 252784, 289079, 315980, 330376, 350686, 379120, 400784, 412970, 500980, 578158, 631960, 660752, 701372, 825940, 876715, 1001960, 1156316, 1263920, 1402744, 1445395, 1527989, 1651880, 1753430, 2003920, 2312632, 2805488, 2890790, 3055978, 3303760, 3506860, 4625264, 5781580, 6111956, 7013720, 7639945, 10695923, 11563160, 12223912, 14027440, 15279890, 21391846, 23126320, 24447824, 30559780, 42783692, 53479615, 61119560, 85567384, 106959230, 122239120, 171134768, 213918460, 427836920, 855673840]

約数ペア:

[(1, 855673840), (2, 427836920), (4, 213918460), (5, 171134768), (7, 122239120), (8, 106959230), (10, 85567384), (14, 61119560), (16, 53479615), (20, 42783692), (28, 30559780), (35, 24447824), (37, 23126320), (40, 21391846), (56, 15279890), (61, 14027440), (70, 12223912), (74, 11563160), (80, 10695923), (112, 7639945), (122, 7013720), (140, 6111956), (148, 5781580), (185, 4625264), (244, 3506860), (259, 3303760), (280, 3055978), (296, 2890790), (305, 2805488), (370, 2312632), (427, 2003920), (488, 1753430), (518, 1651880), (560, 1527989), (592, 1445395), (610, 1402744), (677, 1263920), (740, 1156316), (854, 1001960), (976, 876715), (1036, 825940), (1220, 701372), (1295, 660752), (1354, 631960), (1480, 578158), (1708, 500980), (2072, 412970), (2135, 400784), (2257, 379120), (2440, 350686), (2590, 330376), (2708, 315980), (2960, 289079), (3385, 252784), (3416, 250490), (4144, 206485), (4270, 200392), (4514, 189560), (4739, 180560), (4880, 175343), (5180, 165188), (5416, 157990), (6770, 126392), (6832, 125245), (8540, 100196), (9028, 94780), (9478, 90280), (10360, 82594), (10832, 78995), (11285, 75824), (13540, 63196), (15799, 54160), (17080, 50098), (18056, 47390), (18956, 45140), (20720, 41297), (22570, 37912), (23695, 36112), (25049, 34160), (27080, 31598)]