40494240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{461}}^1$

素因数の和:543

約数の個数: 144

約数和(自身を含む): 140756616

約数和(自身を除く): 100262376

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 61, 72, 80, 90, 96, 120, 122, 144, 160, 180, 183, 240, 244, 288, 305, 360, 366, 461, 480, 488, 549, 610, 720, 732, 915, 922, 976, 1098, 1220, 1383, 1440, 1464, 1830, 1844, 1952, 2196, 2305, 2440, 2745, 2766, 2928, 3660, 3688, 4149, 4392, 4610, 4880, 5490, 5532, 5856, 6915, 7320, 7376, 8298, 8784, 9220, 9760, 10980, 11064, 13830, 14640, 14752, 16596, 17568, 18440, 20745, 21960, 22128, 27660, 28121, 29280, 33192, 36880, 41490, 43920, 44256, 55320, 56242, 66384, 73760, 82980, 84363, 87840, 110640, 112484, 132768, 140605, 165960, 168726, 221280, 224968, 253089, 281210, 331920, 337452, 421815, 449936, 506178, 562420, 663840, 674904, 843630, 899872, 1012356, 1124840, 1265445, 1349808, 1687260, 2024712, 2249680, 2530890, 2699616, 3374520, 4049424, 4499360, 5061780, 6749040, 8098848, 10123560, 13498080, 20247120, 40494240]

約数ペア:

[(1, 40494240), (2, 20247120), (3, 13498080), (4, 10123560), (5, 8098848), (6, 6749040), (8, 5061780), (9, 4499360), (10, 4049424), (12, 3374520), (15, 2699616), (16, 2530890), (18, 2249680), (20, 2024712), (24, 1687260), (30, 1349808), (32, 1265445), (36, 1124840), (40, 1012356), (45, 899872), (48, 843630), (60, 674904), (61, 663840), (72, 562420), (80, 506178), (90, 449936), (96, 421815), (120, 337452), (122, 331920), (144, 281210), (160, 253089), (180, 224968), (183, 221280), (240, 168726), (244, 165960), (288, 140605), (305, 132768), (360, 112484), (366, 110640), (461, 87840), (480, 84363), (488, 82980), (549, 73760), (610, 66384), (720, 56242), (732, 55320), (915, 44256), (922, 43920), (976, 41490), (1098, 36880), (1220, 33192), (1383, 29280), (1440, 28121), (1464, 27660), (1830, 22128), (1844, 21960), (1952, 20745), (2196, 18440), (2305, 17568), (2440, 16596), (2745, 14752), (2766, 14640), (2928, 13830), (3660, 11064), (3688, 10980), (4149, 9760), (4392, 9220), (4610, 8784), (4880, 8298), (5490, 7376), (5532, 7320), (5856, 6915)]