2079663080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1\times {\mathrm{467}}^1$

素因数の和:867

約数の個数: 128

約数和(自身を含む): 5307120000

約数和(自身を除く): 3227456920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 349, 440, 467, 580, 638, 698, 934, 1160, 1276, 1396, 1595, 1745, 1868, 2335, 2552, 2792, 3190, 3490, 3736, 3839, 4670, 5137, 6380, 6980, 7678, 9340, 10121, 10274, 12760, 13543, 13960, 15356, 18680, 19195, 20242, 20548, 25685, 27086, 30712, 38390, 40484, 41096, 50605, 51370, 54172, 67715, 76780, 80968, 101210, 102740, 108344, 111331, 135430, 148973, 153560, 162983, 202420, 205480, 222662, 270860, 297946, 325966, 404840, 445324, 541720, 556655, 595892, 651932, 744865, 814915, 890648, 1113310, 1191784, 1303864, 1489730, 1629830, 1792813, 2226620, 2979460, 3259660, 3585626, 4453240, 4726507, 5958920, 6519320, 7171252, 8964065, 9453014, 14342504, 17928130, 18906028, 23632535, 35856260, 37812056, 47265070, 51991577, 71712520, 94530140, 103983154, 189060280, 207966308, 259957885, 415932616, 519915770, 1039831540, 2079663080]

約数ペア:

[(1, 2079663080), (2, 1039831540), (4, 519915770), (5, 415932616), (8, 259957885), (10, 207966308), (11, 189060280), (20, 103983154), (22, 94530140), (29, 71712520), (40, 51991577), (44, 47265070), (55, 37812056), (58, 35856260), (88, 23632535), (110, 18906028), (116, 17928130), (145, 14342504), (220, 9453014), (232, 8964065), (290, 7171252), (319, 6519320), (349, 5958920), (440, 4726507), (467, 4453240), (580, 3585626), (638, 3259660), (698, 2979460), (934, 2226620), (1160, 1792813), (1276, 1629830), (1396, 1489730), (1595, 1303864), (1745, 1191784), (1868, 1113310), (2335, 890648), (2552, 814915), (2792, 744865), (3190, 651932), (3490, 595892), (3736, 556655), (3839, 541720), (4670, 445324), (5137, 404840), (6380, 325966), (6980, 297946), (7678, 270860), (9340, 222662), (10121, 205480), (10274, 202420), (12760, 162983), (13543, 153560), (13960, 148973), (15356, 135430), (18680, 111331), (19195, 108344), (20242, 102740), (20548, 101210), (25685, 80968), (27086, 76780), (30712, 67715), (38390, 54172), (40484, 51370), (41096, 50605)]