201995520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1283}}^1$

素因数の和:1348

約数の個数: 144

約数和(自身を含む): 661372992

約数和(自身を除く): 459377472

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 64, 80, 82, 96, 120, 123, 128, 160, 164, 192, 205, 240, 246, 256, 320, 328, 384, 410, 480, 492, 615, 640, 656, 768, 820, 960, 984, 1230, 1280, 1283, 1312, 1640, 1920, 1968, 2460, 2566, 2624, 3280, 3840, 3849, 3936, 4920, 5132, 5248, 6415, 6560, 7698, 7872, 9840, 10264, 10496, 12830, 13120, 15396, 15744, 19245, 19680, 20528, 25660, 26240, 30792, 31488, 38490, 39360, 41056, 51320, 52480, 52603, 61584, 76980, 78720, 82112, 102640, 105206, 123168, 153960, 157440, 157809, 164224, 205280, 210412, 246336, 263015, 307920, 315618, 328448, 410560, 420824, 492672, 526030, 615840, 631236, 789045, 821120, 841648, 985344, 1052060, 1231680, 1262472, 1578090, 1642240, 1683296, 2104120, 2463360, 2524944, 3156180, 3366592, 4208240, 4926720, 5049888, 6312360, 6733184, 8416480, 10099776, 12624720, 13466368, 16832960, 20199552, 25249440, 33665920, 40399104, 50498880, 67331840, 100997760, 201995520]

約数ペア:

[(1, 201995520), (2, 100997760), (3, 67331840), (4, 50498880), (5, 40399104), (6, 33665920), (8, 25249440), (10, 20199552), (12, 16832960), (15, 13466368), (16, 12624720), (20, 10099776), (24, 8416480), (30, 6733184), (32, 6312360), (40, 5049888), (41, 4926720), (48, 4208240), (60, 3366592), (64, 3156180), (80, 2524944), (82, 2463360), (96, 2104120), (120, 1683296), (123, 1642240), (128, 1578090), (160, 1262472), (164, 1231680), (192, 1052060), (205, 985344), (240, 841648), (246, 821120), (256, 789045), (320, 631236), (328, 615840), (384, 526030), (410, 492672), (480, 420824), (492, 410560), (615, 328448), (640, 315618), (656, 307920), (768, 263015), (820, 246336), (960, 210412), (984, 205280), (1230, 164224), (1280, 157809), (1283, 157440), (1312, 153960), (1640, 123168), (1920, 105206), (1968, 102640), (2460, 82112), (2566, 78720), (2624, 76980), (3280, 61584), (3840, 52603), (3849, 52480), (3936, 51320), (4920, 41056), (5132, 39360), (5248, 38490), (6415, 31488), (6560, 30792), (7698, 26240), (7872, 25660), (9840, 20528), (10264, 19680), (10496, 19245), (12830, 15744), (13120, 15396)]