51145380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1987}}^1$

素因数の和:2026

約数の個数: 144

約数和(自身を含む): 182355264

約数和(自身を除く): 131209884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 44, 45, 52, 55, 60, 65, 66, 78, 90, 99, 110, 117, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 286, 330, 390, 396, 429, 468, 495, 572, 585, 660, 715, 780, 858, 990, 1170, 1287, 1430, 1716, 1980, 1987, 2145, 2340, 2574, 2860, 3974, 4290, 5148, 5961, 6435, 7948, 8580, 9935, 11922, 12870, 17883, 19870, 21857, 23844, 25740, 25831, 29805, 35766, 39740, 43714, 51662, 59610, 65571, 71532, 77493, 87428, 89415, 103324, 109285, 119220, 129155, 131142, 154986, 178830, 196713, 218570, 232479, 258310, 262284, 284141, 309972, 327855, 357660, 387465, 393426, 437140, 464958, 516620, 568282, 655710, 774930, 786852, 852423, 929916, 983565, 1136564, 1162395, 1311420, 1420705, 1549860, 1704846, 1967130, 2324790, 2557269, 2841410, 3409692, 3934260, 4262115, 4649580, 5114538, 5682820, 8524230, 10229076, 12786345, 17048460, 25572690, 51145380]

約数ペア:

[(1, 51145380), (2, 25572690), (3, 17048460), (4, 12786345), (5, 10229076), (6, 8524230), (9, 5682820), (10, 5114538), (11, 4649580), (12, 4262115), (13, 3934260), (15, 3409692), (18, 2841410), (20, 2557269), (22, 2324790), (26, 1967130), (30, 1704846), (33, 1549860), (36, 1420705), (39, 1311420), (44, 1162395), (45, 1136564), (52, 983565), (55, 929916), (60, 852423), (65, 786852), (66, 774930), (78, 655710), (90, 568282), (99, 516620), (110, 464958), (117, 437140), (130, 393426), (132, 387465), (143, 357660), (156, 327855), (165, 309972), (180, 284141), (195, 262284), (198, 258310), (220, 232479), (234, 218570), (260, 196713), (286, 178830), (330, 154986), (390, 131142), (396, 129155), (429, 119220), (468, 109285), (495, 103324), (572, 89415), (585, 87428), (660, 77493), (715, 71532), (780, 65571), (858, 59610), (990, 51662), (1170, 43714), (1287, 39740), (1430, 35766), (1716, 29805), (1980, 25831), (1987, 25740), (2145, 23844), (2340, 21857), (2574, 19870), (2860, 17883), (3974, 12870), (4290, 11922), (5148, 9935), (5961, 8580), (6435, 7948)]