64941480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{383}}^1$

素因数の和:560

約数の個数: 128

約数和(自身を含む): 218419200

約数和(自身を除く): 153477720

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, 383, 471, 540, 628, 766, 785, 942, 1080, 1149, 1256, 1413, 1532, 1570, 1884, 1915, 2298, 2355, 2826, 3064, 3140, 3447, 3768, 3830, 4239, 4596, 4710, 5652, 5745, 6280, 6894, 7065, 7660, 8478, 9192, 9420, 10341, 11304, 11490, 13788, 14130, 15320, 16956, 17235, 18840, 20682, 21195, 22980, 27576, 28260, 33912, 34470, 41364, 42390, 45960, 51705, 56520, 60131, 68940, 82728, 84780, 103410, 120262, 137880, 169560, 180393, 206820, 240524, 300655, 360786, 413640, 481048, 541179, 601310, 721572, 901965, 1082358, 1202620, 1443144, 1623537, 1803930, 2164716, 2405240, 2705895, 3247074, 3607860, 4329432, 5411790, 6494148, 7215720, 8117685, 10823580, 12988296, 16235370, 21647160, 32470740, 64941480]

約数ペア:

[(1, 64941480), (2, 32470740), (3, 21647160), (4, 16235370), (5, 12988296), (6, 10823580), (8, 8117685), (9, 7215720), (10, 6494148), (12, 5411790), (15, 4329432), (18, 3607860), (20, 3247074), (24, 2705895), (27, 2405240), (30, 2164716), (36, 1803930), (40, 1623537), (45, 1443144), (54, 1202620), (60, 1082358), (72, 901965), (90, 721572), (108, 601310), (120, 541179), (135, 481048), (157, 413640), (180, 360786), (216, 300655), (270, 240524), (314, 206820), (360, 180393), (383, 169560), (471, 137880), (540, 120262), (628, 103410), (766, 84780), (785, 82728), (942, 68940), (1080, 60131), (1149, 56520), (1256, 51705), (1413, 45960), (1532, 42390), (1570, 41364), (1884, 34470), (1915, 33912), (2298, 28260), (2355, 27576), (2826, 22980), (3064, 21195), (3140, 20682), (3447, 18840), (3768, 17235), (3830, 16956), (4239, 15320), (4596, 14130), (4710, 13788), (5652, 11490), (5745, 11304), (6280, 10341), (6894, 9420), (7065, 9192), (7660, 8478)]