217786140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8461}}^1$

素因数の和:8500

約数の個数: 144

約数和(自身を含む): 776202336

約数和(自身を除く): 558416196

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, 2145, 2340, 2574, 2860, 4290, 5148, 6435, 8461, 8580, 12870, 16922, 25383, 25740, 33844, 42305, 50766, 76149, 84610, 93071, 101532, 109993, 126915, 152298, 169220, 186142, 219986, 253830, 279213, 304596, 329979, 372284, 380745, 439972, 465355, 507660, 549965, 558426, 659958, 761490, 837639, 930710, 989937, 1099930, 1116852, 1209923, 1319916, 1396065, 1522980, 1649895, 1675278, 1861420, 1979874, 2199860, 2419846, 2792130, 3299790, 3350556, 3629769, 3959748, 4188195, 4839692, 4949685, 5584260, 6049615, 6599580, 7259538, 8376390, 9899370, 10889307, 12099230, 14519076, 16752780, 18148845, 19798740, 21778614, 24198460, 36297690, 43557228, 54446535, 72595380, 108893070, 217786140]

約数ペア:

[(1, 217786140), (2, 108893070), (3, 72595380), (4, 54446535), (5, 43557228), (6, 36297690), (9, 24198460), (10, 21778614), (11, 19798740), (12, 18148845), (13, 16752780), (15, 14519076), (18, 12099230), (20, 10889307), (22, 9899370), (26, 8376390), (30, 7259538), (33, 6599580), (36, 6049615), (39, 5584260), (44, 4949685), (45, 4839692), (52, 4188195), (55, 3959748), (60, 3629769), (65, 3350556), (66, 3299790), (78, 2792130), (90, 2419846), (99, 2199860), (110, 1979874), (117, 1861420), (130, 1675278), (132, 1649895), (143, 1522980), (156, 1396065), (165, 1319916), (180, 1209923), (195, 1116852), (198, 1099930), (220, 989937), (234, 930710), (260, 837639), (286, 761490), (330, 659958), (390, 558426), (396, 549965), (429, 507660), (468, 465355), (495, 439972), (572, 380745), (585, 372284), (660, 329979), (715, 304596), (780, 279213), (858, 253830), (990, 219986), (1170, 186142), (1287, 169220), (1430, 152298), (1716, 126915), (1980, 109993), (2145, 101532), (2340, 93071), (2574, 84610), (2860, 76149), (4290, 50766), (5148, 42305), (6435, 33844), (8461, 25740), (8580, 25383), (12870, 16922)]