25639920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:407

約数の個数: 120

約数和(自身を含む): 87048000

約数和(自身を除く): 61408080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 149, 180, 239, 240, 298, 360, 447, 478, 596, 717, 720, 745, 894, 956, 1192, 1195, 1341, 1434, 1490, 1788, 1912, 2151, 2235, 2384, 2390, 2682, 2868, 2980, 3576, 3585, 3824, 4302, 4470, 4780, 5364, 5736, 5960, 6705, 7152, 7170, 8604, 8940, 9560, 10728, 10755, 11472, 11920, 13410, 14340, 17208, 17880, 19120, 21456, 21510, 26820, 28680, 34416, 35611, 35760, 43020, 53640, 57360, 71222, 86040, 106833, 107280, 142444, 172080, 178055, 213666, 284888, 320499, 356110, 427332, 534165, 569776, 640998, 712220, 854664, 1068330, 1281996, 1424440, 1602495, 1709328, 2136660, 2563992, 2848880, 3204990, 4273320, 5127984, 6409980, 8546640, 12819960, 25639920]

約数ペア:

[(1, 25639920), (2, 12819960), (3, 8546640), (4, 6409980), (5, 5127984), (6, 4273320), (8, 3204990), (9, 2848880), (10, 2563992), (12, 2136660), (15, 1709328), (16, 1602495), (18, 1424440), (20, 1281996), (24, 1068330), (30, 854664), (36, 712220), (40, 640998), (45, 569776), (48, 534165), (60, 427332), (72, 356110), (80, 320499), (90, 284888), (120, 213666), (144, 178055), (149, 172080), (180, 142444), (239, 107280), (240, 106833), (298, 86040), (360, 71222), (447, 57360), (478, 53640), (596, 43020), (717, 35760), (720, 35611), (745, 34416), (894, 28680), (956, 26820), (1192, 21510), (1195, 21456), (1341, 19120), (1434, 17880), (1490, 17208), (1788, 14340), (1912, 13410), (2151, 11920), (2235, 11472), (2384, 10755), (2390, 10728), (2682, 9560), (2868, 8940), (2980, 8604), (3576, 7170), (3585, 7152), (3824, 6705), (4302, 5960), (4470, 5736), (4780, 5364)]