205427340

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{983}}^1$

素因数の和:1050

約数の個数: 144

約数和(自身を含む): 661909248

約数和(自身を除く): 456481908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 81, 86, 90, 108, 129, 135, 162, 172, 180, 215, 243, 258, 270, 324, 387, 405, 430, 486, 516, 540, 645, 774, 810, 860, 972, 983, 1161, 1215, 1290, 1548, 1620, 1935, 1966, 2322, 2430, 2580, 2949, 3483, 3870, 3932, 4644, 4860, 4915, 5805, 5898, 6966, 7740, 8847, 9830, 10449, 11610, 11796, 13932, 14745, 17415, 17694, 19660, 20898, 23220, 26541, 29490, 34830, 35388, 41796, 42269, 44235, 52245, 53082, 58980, 69660, 79623, 84538, 88470, 104490, 106164, 126807, 132705, 159246, 169076, 176940, 208980, 211345, 238869, 253614, 265410, 318492, 380421, 398115, 422690, 477738, 507228, 530820, 634035, 760842, 796230, 845380, 955476, 1141263, 1194345, 1268070, 1521684, 1592460, 1902105, 2282526, 2388690, 2536140, 3423789, 3804210, 4565052, 4777380, 5706315, 6847578, 7608420, 10271367, 11412630, 13695156, 17118945, 20542734, 22825260, 34237890, 41085468, 51356835, 68475780, 102713670, 205427340]

約数ペア:

[(1, 205427340), (2, 102713670), (3, 68475780), (4, 51356835), (5, 41085468), (6, 34237890), (9, 22825260), (10, 20542734), (12, 17118945), (15, 13695156), (18, 11412630), (20, 10271367), (27, 7608420), (30, 6847578), (36, 5706315), (43, 4777380), (45, 4565052), (54, 3804210), (60, 3423789), (81, 2536140), (86, 2388690), (90, 2282526), (108, 1902105), (129, 1592460), (135, 1521684), (162, 1268070), (172, 1194345), (180, 1141263), (215, 955476), (243, 845380), (258, 796230), (270, 760842), (324, 634035), (387, 530820), (405, 507228), (430, 477738), (486, 422690), (516, 398115), (540, 380421), (645, 318492), (774, 265410), (810, 253614), (860, 238869), (972, 211345), (983, 208980), (1161, 176940), (1215, 169076), (1290, 159246), (1548, 132705), (1620, 126807), (1935, 106164), (1966, 104490), (2322, 88470), (2430, 84538), (2580, 79623), (2949, 69660), (3483, 58980), (3870, 53082), (3932, 52245), (4644, 44235), (4860, 42269), (4915, 41796), (5805, 35388), (5898, 34830), (6966, 29490), (7740, 26541), (8847, 23220), (9830, 20898), (10449, 19660), (11610, 17694), (11796, 17415), (13932, 14745)]