251145960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{809}}^1$

素因数の和:1035

約数の個数: 128

約数和(自身を含む): 816480000

約数和(自身を除く): 565334040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 199, 260, 312, 390, 398, 520, 597, 780, 796, 809, 995, 1194, 1560, 1592, 1618, 1990, 2388, 2427, 2587, 2985, 3236, 3980, 4045, 4776, 4854, 5174, 5970, 6472, 7761, 7960, 8090, 9708, 10348, 10517, 11940, 12135, 12935, 15522, 16180, 19416, 20696, 21034, 23880, 24270, 25870, 31044, 31551, 32360, 38805, 42068, 48540, 51740, 52585, 62088, 63102, 77610, 84136, 97080, 103480, 105170, 126204, 155220, 157755, 160991, 210340, 252408, 310440, 315510, 321982, 420680, 482973, 631020, 643964, 804955, 965946, 1262040, 1287928, 1609910, 1931892, 2092883, 2414865, 3219820, 3863784, 4185766, 4829730, 6278649, 6439640, 8371532, 9659460, 10464415, 12557298, 16743064, 19318920, 20928830, 25114596, 31393245, 41857660, 50229192, 62786490, 83715320, 125572980, 251145960]

約数ペア:

[(1, 251145960), (2, 125572980), (3, 83715320), (4, 62786490), (5, 50229192), (6, 41857660), (8, 31393245), (10, 25114596), (12, 20928830), (13, 19318920), (15, 16743064), (20, 12557298), (24, 10464415), (26, 9659460), (30, 8371532), (39, 6439640), (40, 6278649), (52, 4829730), (60, 4185766), (65, 3863784), (78, 3219820), (104, 2414865), (120, 2092883), (130, 1931892), (156, 1609910), (195, 1287928), (199, 1262040), (260, 965946), (312, 804955), (390, 643964), (398, 631020), (520, 482973), (597, 420680), (780, 321982), (796, 315510), (809, 310440), (995, 252408), (1194, 210340), (1560, 160991), (1592, 157755), (1618, 155220), (1990, 126204), (2388, 105170), (2427, 103480), (2587, 97080), (2985, 84136), (3236, 77610), (3980, 63102), (4045, 62088), (4776, 52585), (4854, 51740), (5174, 48540), (5970, 42068), (6472, 38805), (7761, 32360), (7960, 31551), (8090, 31044), (9708, 25870), (10348, 24270), (10517, 23880), (11940, 21034), (12135, 20696), (12935, 19416), (15522, 16180)]