257816996920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{5441}}^1$

素因数の和:5646

約数の個数: 256

約数和(自身を含む): 704154746880

約数和(自身を除く): 446337749960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 53, 56, 62, 70, 103, 106, 124, 140, 155, 206, 212, 217, 248, 265, 280, 310, 371, 412, 424, 434, 515, 530, 620, 721, 742, 824, 868, 1030, 1060, 1085, 1240, 1442, 1484, 1643, 1736, 1855, 2060, 2120, 2170, 2884, 2968, 3193, 3286, 3605, 3710, 4120, 4340, 5441, 5459, 5768, 6386, 6572, 7210, 7420, 8215, 8680, 10882, 10918, 11501, 12772, 13144, 14420, 14840, 15965, 16430, 21764, 21836, 22351, 23002, 25544, 27205, 27295, 28840, 31930, 32860, 38087, 38213, 43528, 43672, 44702, 46004, 54410, 54590, 57505, 63860, 65720, 76174, 76426, 89404, 92008, 108820, 109180, 111755, 115010, 127720, 152348, 152852, 168671, 169229, 178808, 190435, 191065, 217640, 218360, 223510, 230020, 288373, 304696, 305704, 337342, 338458, 380870, 382130, 447020, 460040, 560423, 576746, 674684, 676916, 761740, 764260, 843355, 846145, 894040, 1120846, 1153492, 1180697, 1184603, 1349368, 1353832, 1441865, 1523480, 1528520, 1686710, 1692290, 2018611, 2241692, 2306984, 2361394, 2369206, 2802115, 2883730, 3373420, 3384580, 3922961, 4037222, 4483384, 4722788, 4738412, 5604230, 5767460, 5903485, 5923015, 6746840, 6769160, 7845922, 8074444, 8939563, 9445576, 9476824, 10093055, 11208460, 11534920, 11806970, 11846030, 15691844, 16148888, 17373113, 17879126, 19614805, 20186110, 22416920, 23613940, 23692060, 29702419, 31383688, 34746226, 35758252, 39229610, 40372220, 44697815, 47227880, 47384120, 59404838, 62576941, 69492452, 71516504, 78459220, 80744440, 86865565, 89395630, 118809676, 121611791, 125153882, 138984904, 148512095, 156918440, 173731130, 178791260, 207916933, 237619352, 243223582, 250307764, 297024190, 312884705, 347462260, 357582520, 415833866, 486447164, 500615528, 594048380, 608058955, 625769410, 694924520, 831667732, 920774989, 972894328, 1039584665, 1188096760, 1216117910, 1251538820, 1663335464, 1841549978, 2079169330, 2432235820, 2503077640, 3683099956, 4158338660, 4603874945, 4864471640, 6445424923, 7366199912, 8316677320, 9207749890, 12890849846, 18415499780, 25781699692, 32227124615, 36830999560, 51563399384, 64454249230, 128908498460, 257816996920]

約数ペア:

[(1, 257816996920), (2, 128908498460), (4, 64454249230), (5, 51563399384), (7, 36830999560), (8, 32227124615), (10, 25781699692), (14, 18415499780), (20, 12890849846), (28, 9207749890), (31, 8316677320), (35, 7366199912), (40, 6445424923), (53, 4864471640), (56, 4603874945), (62, 4158338660), (70, 3683099956), (103, 2503077640), (106, 2432235820), (124, 2079169330), (140, 1841549978), (155, 1663335464), (206, 1251538820), (212, 1216117910), (217, 1188096760), (248, 1039584665), (265, 972894328), (280, 920774989), (310, 831667732), (371, 694924520), (412, 625769410), (424, 608058955), (434, 594048380), (515, 500615528), (530, 486447164), (620, 415833866), (721, 357582520), (742, 347462260), (824, 312884705), (868, 297024190), (1030, 250307764), (1060, 243223582), (1085, 237619352), (1240, 207916933), (1442, 178791260), (1484, 173731130), (1643, 156918440), (1736, 148512095), (1855, 138984904), (2060, 125153882), (2120, 121611791), (2170, 118809676), (2884, 89395630), (2968, 86865565), (3193, 80744440), (3286, 78459220), (3605, 71516504), (3710, 69492452), (4120, 62576941), (4340, 59404838), (5441, 47384120), (5459, 47227880), (5768, 44697815), (6386, 40372220), (6572, 39229610), (7210, 35758252), (7420, 34746226), (8215, 31383688), (8680, 29702419), (10882, 23692060), (10918, 23613940), (11501, 22416920), (12772, 20186110), (13144, 19614805), (14420, 17879126), (14840, 17373113), (15965, 16148888), (16430, 15691844), (21764, 11846030), (21836, 11806970), (22351, 11534920), (23002, 11208460), (25544, 10093055), (27205, 9476824), (27295, 9445576), (28840, 8939563), (31930, 8074444), (32860, 7845922), (38087, 6769160), (38213, 6746840), (43528, 5923015), (43672, 5903485), (44702, 5767460), (46004, 5604230), (54410, 4738412), (54590, 4722788), (57505, 4483384), (63860, 4037222), (65720, 3922961), (76174, 3384580), (76426, 3373420), (89404, 2883730), (92008, 2802115), (108820, 2369206), (109180, 2361394), (111755, 2306984), (115010, 2241692), (127720, 2018611), (152348, 1692290), (152852, 1686710), (168671, 1528520), (169229, 1523480), (178808, 1441865), (190435, 1353832), (191065, 1349368), (217640, 1184603), (218360, 1180697), (223510, 1153492), (230020, 1120846), (288373, 894040), (304696, 846145), (305704, 843355), (337342, 764260), (338458, 761740), (380870, 676916), (382130, 674684), (447020, 576746), (460040, 560423)]