2152202220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{9437}}^1$

素因数の和:9640

約数の個数: 144

約数和(自身を含む): 7502983488

約数和(自身を除く): 5350781268

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 181, 210, 252, 315, 362, 420, 543, 630, 724, 905, 1086, 1260, 1267, 1629, 1810, 2172, 2534, 2715, 3258, 3620, 3801, 5068, 5430, 6335, 6516, 7602, 8145, 9437, 10860, 11403, 12670, 15204, 16290, 18874, 19005, 22806, 25340, 28311, 32580, 37748, 38010, 45612, 47185, 56622, 57015, 66059, 76020, 84933, 94370, 113244, 114030, 132118, 141555, 169866, 188740, 198177, 228060, 264236, 283110, 330295, 339732, 396354, 424665, 566220, 594531, 660590, 792708, 849330, 990885, 1189062, 1321180, 1698660, 1708097, 1981770, 2378124, 2972655, 3416194, 3963540, 5124291, 5945310, 6832388, 8540485, 10248582, 11890620, 11956679, 15372873, 17080970, 20497164, 23913358, 25621455, 30745746, 34161940, 35870037, 47826716, 51242910, 59783395, 61491492, 71740074, 76864365, 102485820, 107610111, 119566790, 143480148, 153728730, 179350185, 215220222, 239133580, 307457460, 358700370, 430440444, 538050555, 717400740, 1076101110, 2152202220]

約数ペア:

[(1, 2152202220), (2, 1076101110), (3, 717400740), (4, 538050555), (5, 430440444), (6, 358700370), (7, 307457460), (9, 239133580), (10, 215220222), (12, 179350185), (14, 153728730), (15, 143480148), (18, 119566790), (20, 107610111), (21, 102485820), (28, 76864365), (30, 71740074), (35, 61491492), (36, 59783395), (42, 51242910), (45, 47826716), (60, 35870037), (63, 34161940), (70, 30745746), (84, 25621455), (90, 23913358), (105, 20497164), (126, 17080970), (140, 15372873), (180, 11956679), (181, 11890620), (210, 10248582), (252, 8540485), (315, 6832388), (362, 5945310), (420, 5124291), (543, 3963540), (630, 3416194), (724, 2972655), (905, 2378124), (1086, 1981770), (1260, 1708097), (1267, 1698660), (1629, 1321180), (1810, 1189062), (2172, 990885), (2534, 849330), (2715, 792708), (3258, 660590), (3620, 594531), (3801, 566220), (5068, 424665), (5430, 396354), (6335, 339732), (6516, 330295), (7602, 283110), (8145, 264236), (9437, 228060), (10860, 198177), (11403, 188740), (12670, 169866), (15204, 141555), (16290, 132118), (18874, 114030), (19005, 113244), (22806, 94370), (25340, 84933), (28311, 76020), (32580, 66059), (37748, 57015), (38010, 56622), (45612, 47185)]