2688120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:170

約数の個数: 128

約数和(自身を含む): 9504000

約数和(自身を除く): 6815880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 131, 135, 152, 171, 180, 190, 216, 228, 262, 270, 285, 342, 360, 380, 393, 456, 513, 524, 540, 570, 655, 684, 760, 786, 855, 1026, 1048, 1080, 1140, 1179, 1310, 1368, 1572, 1710, 1965, 2052, 2280, 2358, 2489, 2565, 2620, 3144, 3420, 3537, 3930, 4104, 4716, 4978, 5130, 5240, 5895, 6840, 7074, 7467, 7860, 9432, 9956, 10260, 11790, 12445, 14148, 14934, 15720, 17685, 19912, 20520, 22401, 23580, 24890, 28296, 29868, 35370, 37335, 44802, 47160, 49780, 59736, 67203, 70740, 74670, 89604, 99560, 112005, 134406, 141480, 149340, 179208, 224010, 268812, 298680, 336015, 448020, 537624, 672030, 896040, 1344060, 2688120]

約数ペア:

[(1, 2688120), (2, 1344060), (3, 896040), (4, 672030), (5, 537624), (6, 448020), (8, 336015), (9, 298680), (10, 268812), (12, 224010), (15, 179208), (18, 149340), (19, 141480), (20, 134406), (24, 112005), (27, 99560), (30, 89604), (36, 74670), (38, 70740), (40, 67203), (45, 59736), (54, 49780), (57, 47160), (60, 44802), (72, 37335), (76, 35370), (90, 29868), (95, 28296), (108, 24890), (114, 23580), (120, 22401), (131, 20520), (135, 19912), (152, 17685), (171, 15720), (180, 14934), (190, 14148), (216, 12445), (228, 11790), (262, 10260), (270, 9956), (285, 9432), (342, 7860), (360, 7467), (380, 7074), (393, 6840), (456, 5895), (513, 5240), (524, 5130), (540, 4978), (570, 4716), (655, 4104), (684, 3930), (760, 3537), (786, 3420), (855, 3144), (1026, 2620), (1048, 2565), (1080, 2489), (1140, 2358), (1179, 2280), (1310, 2052), (1368, 1965), (1572, 1710)]