20811748680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1\times {\mathrm{3301}}^1$

素因数の和:3612

約数の個数: 192

約数和(自身を含む): 68798358720

約数和(自身を除く): 47986610040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 83, 90, 120, 166, 180, 211, 249, 332, 360, 415, 422, 498, 633, 664, 747, 830, 844, 996, 1055, 1245, 1266, 1494, 1660, 1688, 1899, 1992, 2110, 2490, 2532, 2988, 3165, 3301, 3320, 3735, 3798, 4220, 4980, 5064, 5976, 6330, 6602, 7470, 7596, 8440, 9495, 9903, 9960, 12660, 13204, 14940, 15192, 16505, 17513, 18990, 19806, 25320, 26408, 29709, 29880, 33010, 35026, 37980, 39612, 49515, 52539, 59418, 66020, 70052, 75960, 79224, 87565, 99030, 105078, 118836, 132040, 140104, 148545, 157617, 175130, 198060, 210156, 237672, 262695, 273983, 297090, 315234, 350260, 396120, 420312, 525390, 547966, 594180, 630468, 696511, 700520, 788085, 821949, 1050780, 1095932, 1188360, 1260936, 1369915, 1393022, 1576170, 1643898, 2089533, 2101560, 2191864, 2465847, 2739830, 2786044, 3152340, 3287796, 3482555, 4109745, 4179066, 4931694, 5479660, 5572088, 6268599, 6304680, 6575592, 6965110, 8219490, 8358132, 9863388, 10447665, 10959320, 12329235, 12537198, 13930220, 16438980, 16716264, 19726776, 20895330, 24658470, 25074396, 27860440, 31342995, 32877960, 41790660, 49316940, 50148792, 57810413, 62685990, 83581320, 98633880, 115620826, 125371980, 173431239, 231241652, 250743960, 289052065, 346862478, 462483304, 520293717, 578104130, 693724956, 867156195, 1040587434, 1156208260, 1387449912, 1734312390, 2081174868, 2312416520, 2601468585, 3468624780, 4162349736, 5202937170, 6937249560, 10405874340, 20811748680]

約数ペア:

[(1, 20811748680), (2, 10405874340), (3, 6937249560), (4, 5202937170), (5, 4162349736), (6, 3468624780), (8, 2601468585), (9, 2312416520), (10, 2081174868), (12, 1734312390), (15, 1387449912), (18, 1156208260), (20, 1040587434), (24, 867156195), (30, 693724956), (36, 578104130), (40, 520293717), (45, 462483304), (60, 346862478), (72, 289052065), (83, 250743960), (90, 231241652), (120, 173431239), (166, 125371980), (180, 115620826), (211, 98633880), (249, 83581320), (332, 62685990), (360, 57810413), (415, 50148792), (422, 49316940), (498, 41790660), (633, 32877960), (664, 31342995), (747, 27860440), (830, 25074396), (844, 24658470), (996, 20895330), (1055, 19726776), (1245, 16716264), (1266, 16438980), (1494, 13930220), (1660, 12537198), (1688, 12329235), (1899, 10959320), (1992, 10447665), (2110, 9863388), (2490, 8358132), (2532, 8219490), (2988, 6965110), (3165, 6575592), (3301, 6304680), (3320, 6268599), (3735, 5572088), (3798, 5479660), (4220, 4931694), (4980, 4179066), (5064, 4109745), (5976, 3482555), (6330, 3287796), (6602, 3152340), (7470, 2786044), (7596, 2739830), (8440, 2465847), (9495, 2191864), (9903, 2101560), (9960, 2089533), (12660, 1643898), (13204, 1576170), (14940, 1393022), (15192, 1369915), (16505, 1260936), (17513, 1188360), (18990, 1095932), (19806, 1050780), (25320, 821949), (26408, 788085), (29709, 700520), (29880, 696511), (33010, 630468), (35026, 594180), (37980, 547966), (39612, 525390), (49515, 420312), (52539, 396120), (59418, 350260), (66020, 315234), (70052, 297090), (75960, 273983), (79224, 262695), (87565, 237672), (99030, 210156), (105078, 198060), (118836, 175130), (132040, 157617), (140104, 148545)]