75270780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1693}}^1$

素因数の和:1740

約数の個数: 144

約数和(自身を含む): 258978720

約数和(自身を除く): 183707940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 380, 390, 468, 494, 570, 585, 684, 741, 780, 855, 988, 1140, 1170, 1235, 1482, 1693, 1710, 2223, 2340, 2470, 2964, 3386, 3420, 3705, 4446, 4940, 5079, 6772, 7410, 8465, 8892, 10158, 11115, 14820, 15237, 16930, 20316, 22009, 22230, 25395, 30474, 32167, 33860, 44018, 44460, 50790, 60948, 64334, 66027, 76185, 88036, 96501, 101580, 110045, 128668, 132054, 152370, 160835, 193002, 198081, 220090, 264108, 289503, 304740, 321670, 330135, 386004, 396162, 418171, 440180, 482505, 579006, 643340, 660270, 792324, 836342, 965010, 990405, 1158012, 1254513, 1320540, 1447515, 1672684, 1930020, 1980810, 2090855, 2509026, 2895030, 3763539, 3961620, 4181710, 5018052, 5790060, 6272565, 7527078, 8363420, 12545130, 15054156, 18817695, 25090260, 37635390, 75270780]

約数ペア:

[(1, 75270780), (2, 37635390), (3, 25090260), (4, 18817695), (5, 15054156), (6, 12545130), (9, 8363420), (10, 7527078), (12, 6272565), (13, 5790060), (15, 5018052), (18, 4181710), (19, 3961620), (20, 3763539), (26, 2895030), (30, 2509026), (36, 2090855), (38, 1980810), (39, 1930020), (45, 1672684), (52, 1447515), (57, 1320540), (60, 1254513), (65, 1158012), (76, 990405), (78, 965010), (90, 836342), (95, 792324), (114, 660270), (117, 643340), (130, 579006), (156, 482505), (171, 440180), (180, 418171), (190, 396162), (195, 386004), (228, 330135), (234, 321670), (247, 304740), (260, 289503), (285, 264108), (342, 220090), (380, 198081), (390, 193002), (468, 160835), (494, 152370), (570, 132054), (585, 128668), (684, 110045), (741, 101580), (780, 96501), (855, 88036), (988, 76185), (1140, 66027), (1170, 64334), (1235, 60948), (1482, 50790), (1693, 44460), (1710, 44018), (2223, 33860), (2340, 32167), (2470, 30474), (2964, 25395), (3386, 22230), (3420, 22009), (3705, 20316), (4446, 16930), (4940, 15237), (5079, 14820), (6772, 11115), (7410, 10158), (8465, 8892)]