644836680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{3803}}^1$

素因数の和:3980

約数の個数: 128

約数和(自身を含む): 2163715200

約数和(自身を除く): 1518878520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 157, 180, 216, 270, 314, 360, 471, 540, 628, 785, 942, 1080, 1256, 1413, 1570, 1884, 2355, 2826, 3140, 3768, 3803, 4239, 4710, 5652, 6280, 7065, 7606, 8478, 9420, 11304, 11409, 14130, 15212, 16956, 18840, 19015, 21195, 22818, 28260, 30424, 33912, 34227, 38030, 42390, 45636, 56520, 57045, 68454, 76060, 84780, 91272, 102681, 114090, 136908, 152120, 169560, 171135, 205362, 228180, 273816, 342270, 410724, 456360, 513405, 597071, 684540, 821448, 1026810, 1194142, 1369080, 1791213, 2053620, 2388284, 2985355, 3582426, 4107240, 4776568, 5373639, 5970710, 7164852, 8956065, 10747278, 11941420, 14329704, 16120917, 17912130, 21494556, 23882840, 26868195, 32241834, 35824260, 42989112, 53736390, 64483668, 71648520, 80604585, 107472780, 128967336, 161209170, 214945560, 322418340, 644836680]

約数ペア:

[(1, 644836680), (2, 322418340), (3, 214945560), (4, 161209170), (5, 128967336), (6, 107472780), (8, 80604585), (9, 71648520), (10, 64483668), (12, 53736390), (15, 42989112), (18, 35824260), (20, 32241834), (24, 26868195), (27, 23882840), (30, 21494556), (36, 17912130), (40, 16120917), (45, 14329704), (54, 11941420), (60, 10747278), (72, 8956065), (90, 7164852), (108, 5970710), (120, 5373639), (135, 4776568), (157, 4107240), (180, 3582426), (216, 2985355), (270, 2388284), (314, 2053620), (360, 1791213), (471, 1369080), (540, 1194142), (628, 1026810), (785, 821448), (942, 684540), (1080, 597071), (1256, 513405), (1413, 456360), (1570, 410724), (1884, 342270), (2355, 273816), (2826, 228180), (3140, 205362), (3768, 171135), (3803, 169560), (4239, 152120), (4710, 136908), (5652, 114090), (6280, 102681), (7065, 91272), (7606, 84780), (8478, 76060), (9420, 68454), (11304, 57045), (11409, 56520), (14130, 45636), (15212, 42390), (16956, 38030), (18840, 34227), (19015, 33912), (21195, 30424), (22818, 28260)]