25478040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{619}}^1$

素因数の和:654

約数の個数: 128

約数和(自身を含む): 89280000

約数和(自身を除く): 63801960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 343, 392, 420, 490, 588, 619, 686, 735, 840, 980, 1029, 1176, 1238, 1372, 1470, 1715, 1857, 1960, 2058, 2476, 2744, 2940, 3095, 3430, 3714, 4116, 4333, 4952, 5145, 5880, 6190, 6860, 7428, 8232, 8666, 9285, 10290, 12380, 12999, 13720, 14856, 17332, 18570, 20580, 21665, 24760, 25998, 30331, 34664, 37140, 41160, 43330, 51996, 60662, 64995, 74280, 86660, 90993, 103992, 121324, 129990, 151655, 173320, 181986, 212317, 242648, 259980, 303310, 363972, 424634, 454965, 519960, 606620, 636951, 727944, 849268, 909930, 1061585, 1213240, 1273902, 1698536, 1819860, 2123170, 2547804, 3184755, 3639720, 4246340, 5095608, 6369510, 8492680, 12739020, 25478040]

約数ペア:

[(1, 25478040), (2, 12739020), (3, 8492680), (4, 6369510), (5, 5095608), (6, 4246340), (7, 3639720), (8, 3184755), (10, 2547804), (12, 2123170), (14, 1819860), (15, 1698536), (20, 1273902), (21, 1213240), (24, 1061585), (28, 909930), (30, 849268), (35, 727944), (40, 636951), (42, 606620), (49, 519960), (56, 454965), (60, 424634), (70, 363972), (84, 303310), (98, 259980), (105, 242648), (120, 212317), (140, 181986), (147, 173320), (168, 151655), (196, 129990), (210, 121324), (245, 103992), (280, 90993), (294, 86660), (343, 74280), (392, 64995), (420, 60662), (490, 51996), (588, 43330), (619, 41160), (686, 37140), (735, 34664), (840, 30331), (980, 25998), (1029, 24760), (1176, 21665), (1238, 20580), (1372, 18570), (1470, 17332), (1715, 14856), (1857, 13720), (1960, 12999), (2058, 12380), (2476, 10290), (2744, 9285), (2940, 8666), (3095, 8232), (3430, 7428), (3714, 6860), (4116, 6190), (4333, 5880), (4952, 5145)]