66640700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:172

約数の個数: 144

約数和(自身を含む): 177321984

約数和(自身を除く): 110681284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 37, 50, 62, 70, 74, 83, 100, 124, 140, 148, 155, 166, 175, 185, 217, 259, 310, 332, 350, 370, 415, 434, 518, 581, 620, 700, 740, 775, 830, 868, 925, 1036, 1085, 1147, 1162, 1295, 1550, 1660, 1850, 2075, 2170, 2294, 2324, 2573, 2590, 2905, 3071, 3100, 3700, 4150, 4340, 4588, 5146, 5180, 5425, 5735, 5810, 6142, 6475, 8029, 8300, 10292, 10850, 11470, 11620, 12284, 12865, 12950, 14525, 15355, 16058, 18011, 21497, 21700, 22940, 25730, 25900, 28675, 29050, 30710, 32116, 36022, 40145, 42994, 51460, 57350, 58100, 61420, 64325, 72044, 76775, 80290, 85988, 90055, 95201, 107485, 114700, 128650, 153550, 160580, 180110, 190402, 200725, 214970, 257300, 307100, 360220, 380804, 401450, 429940, 450275, 476005, 537425, 666407, 802900, 900550, 952010, 1074850, 1332814, 1801100, 1904020, 2149700, 2380025, 2665628, 3332035, 4760050, 6664070, 9520100, 13328140, 16660175, 33320350, 66640700]

約数ペア:

[(1, 66640700), (2, 33320350), (4, 16660175), (5, 13328140), (7, 9520100), (10, 6664070), (14, 4760050), (20, 3332035), (25, 2665628), (28, 2380025), (31, 2149700), (35, 1904020), (37, 1801100), (50, 1332814), (62, 1074850), (70, 952010), (74, 900550), (83, 802900), (100, 666407), (124, 537425), (140, 476005), (148, 450275), (155, 429940), (166, 401450), (175, 380804), (185, 360220), (217, 307100), (259, 257300), (310, 214970), (332, 200725), (350, 190402), (370, 180110), (415, 160580), (434, 153550), (518, 128650), (581, 114700), (620, 107485), (700, 95201), (740, 90055), (775, 85988), (830, 80290), (868, 76775), (925, 72044), (1036, 64325), (1085, 61420), (1147, 58100), (1162, 57350), (1295, 51460), (1550, 42994), (1660, 40145), (1850, 36022), (2075, 32116), (2170, 30710), (2294, 29050), (2324, 28675), (2573, 25900), (2590, 25730), (2905, 22940), (3071, 21700), (3100, 21497), (3700, 18011), (4150, 16058), (4340, 15355), (4588, 14525), (5146, 12950), (5180, 12865), (5425, 12284), (5735, 11620), (5810, 11470), (6142, 10850), (6475, 10292), (8029, 8300)]