20118751560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1\times {\mathrm{2153}}^1$

素因数の和:2528

約数の個数: 192

約数和(自身を含む): 66321056880

約数和(自身を除く): 46202305320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 101, 120, 180, 202, 257, 303, 360, 404, 505, 514, 606, 771, 808, 909, 1010, 1028, 1212, 1285, 1515, 1542, 1818, 2020, 2056, 2153, 2313, 2424, 2570, 3030, 3084, 3636, 3855, 4040, 4306, 4545, 4626, 5140, 6060, 6168, 6459, 7272, 7710, 8612, 9090, 9252, 10280, 10765, 11565, 12120, 12918, 15420, 17224, 18180, 18504, 19377, 21530, 23130, 25836, 25957, 30840, 32295, 36360, 38754, 43060, 46260, 51672, 51914, 64590, 77508, 77871, 86120, 92520, 96885, 103828, 129180, 129785, 155016, 155742, 193770, 207656, 217453, 233613, 258360, 259570, 311484, 387540, 389355, 434906, 467226, 519140, 553321, 622968, 652359, 775080, 778710, 869812, 934452, 1038280, 1087265, 1106642, 1168065, 1304718, 1557420, 1659963, 1739624, 1868904, 1957077, 2174530, 2213284, 2336130, 2609436, 2766605, 3114840, 3261795, 3319926, 3914154, 4349060, 4426568, 4672260, 4979889, 5218872, 5533210, 6523590, 6639852, 7828308, 8299815, 8698120, 9344520, 9785385, 9959778, 11066420, 13047180, 13279704, 15656616, 16599630, 19570770, 19919556, 22132840, 24899445, 26094360, 33199260, 39141540, 39839112, 49798890, 55885421, 66398520, 78283080, 99597780, 111770842, 167656263, 199195560, 223541684, 279427105, 335312526, 447083368, 502968789, 558854210, 670625052, 838281315, 1005937578, 1117708420, 1341250104, 1676562630, 2011875156, 2235416840, 2514843945, 3353125260, 4023750312, 5029687890, 6706250520, 10059375780, 20118751560]

約数ペア:

[(1, 20118751560), (2, 10059375780), (3, 6706250520), (4, 5029687890), (5, 4023750312), (6, 3353125260), (8, 2514843945), (9, 2235416840), (10, 2011875156), (12, 1676562630), (15, 1341250104), (18, 1117708420), (20, 1005937578), (24, 838281315), (30, 670625052), (36, 558854210), (40, 502968789), (45, 447083368), (60, 335312526), (72, 279427105), (90, 223541684), (101, 199195560), (120, 167656263), (180, 111770842), (202, 99597780), (257, 78283080), (303, 66398520), (360, 55885421), (404, 49798890), (505, 39839112), (514, 39141540), (606, 33199260), (771, 26094360), (808, 24899445), (909, 22132840), (1010, 19919556), (1028, 19570770), (1212, 16599630), (1285, 15656616), (1515, 13279704), (1542, 13047180), (1818, 11066420), (2020, 9959778), (2056, 9785385), (2153, 9344520), (2313, 8698120), (2424, 8299815), (2570, 7828308), (3030, 6639852), (3084, 6523590), (3636, 5533210), (3855, 5218872), (4040, 4979889), (4306, 4672260), (4545, 4426568), (4626, 4349060), (5140, 3914154), (6060, 3319926), (6168, 3261795), (6459, 3114840), (7272, 2766605), (7710, 2609436), (8612, 2336130), (9090, 2213284), (9252, 2174530), (10280, 1957077), (10765, 1868904), (11565, 1739624), (12120, 1659963), (12918, 1557420), (15420, 1304718), (17224, 1168065), (18180, 1106642), (18504, 1087265), (19377, 1038280), (21530, 934452), (23130, 869812), (25836, 778710), (25957, 775080), (30840, 652359), (32295, 622968), (36360, 553321), (38754, 519140), (43060, 467226), (46260, 434906), (51672, 389355), (51914, 387540), (64590, 311484), (77508, 259570), (77871, 258360), (86120, 233613), (92520, 217453), (96885, 207656), (103828, 193770), (129180, 155742), (129785, 155016)]