64736820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{449}}^1$

素因数の和:559

約数の個数: 120

約数和(自身を含む): 205821000

約数和(自身を除く): 141084180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 89, 90, 108, 135, 162, 178, 180, 267, 270, 324, 356, 405, 445, 449, 534, 540, 801, 810, 890, 898, 1068, 1335, 1347, 1602, 1620, 1780, 1796, 2245, 2403, 2670, 2694, 3204, 4005, 4041, 4490, 4806, 5340, 5388, 6735, 7209, 8010, 8082, 8980, 9612, 12015, 12123, 13470, 14418, 16020, 16164, 20205, 24030, 24246, 26940, 28836, 36045, 36369, 39961, 40410, 48060, 48492, 60615, 72090, 72738, 79922, 80820, 119883, 121230, 144180, 145476, 159844, 181845, 199805, 239766, 242460, 359649, 363690, 399610, 479532, 599415, 719298, 727380, 799220, 1078947, 1198830, 1438596, 1798245, 2157894, 2397660, 3236841, 3596490, 4315788, 5394735, 6473682, 7192980, 10789470, 12947364, 16184205, 21578940, 32368410, 64736820]

約数ペア:

[(1, 64736820), (2, 32368410), (3, 21578940), (4, 16184205), (5, 12947364), (6, 10789470), (9, 7192980), (10, 6473682), (12, 5394735), (15, 4315788), (18, 3596490), (20, 3236841), (27, 2397660), (30, 2157894), (36, 1798245), (45, 1438596), (54, 1198830), (60, 1078947), (81, 799220), (89, 727380), (90, 719298), (108, 599415), (135, 479532), (162, 399610), (178, 363690), (180, 359649), (267, 242460), (270, 239766), (324, 199805), (356, 181845), (405, 159844), (445, 145476), (449, 144180), (534, 121230), (540, 119883), (801, 80820), (810, 79922), (890, 72738), (898, 72090), (1068, 60615), (1335, 48492), (1347, 48060), (1602, 40410), (1620, 39961), (1780, 36369), (1796, 36045), (2245, 28836), (2403, 26940), (2670, 24246), (2694, 24030), (3204, 20205), (4005, 16164), (4041, 16020), (4490, 14418), (4806, 13470), (5340, 12123), (5388, 12015), (6735, 9612), (7209, 8980), (8010, 8082)]