25113720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 80087040

約数和(自身を除く): 54973320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 43, 60, 62, 86, 93, 120, 124, 129, 155, 157, 172, 186, 215, 248, 258, 310, 314, 344, 372, 430, 465, 471, 516, 620, 628, 645, 744, 785, 860, 930, 942, 1032, 1240, 1256, 1290, 1333, 1570, 1720, 1860, 1884, 2355, 2580, 2666, 3140, 3720, 3768, 3999, 4710, 4867, 5160, 5332, 6280, 6665, 6751, 7998, 9420, 9734, 10664, 13330, 13502, 14601, 15996, 18840, 19468, 19995, 20253, 24335, 26660, 27004, 29202, 31992, 33755, 38936, 39990, 40506, 48670, 53320, 54008, 58404, 67510, 73005, 79980, 81012, 97340, 101265, 116808, 135020, 146010, 159960, 162024, 194680, 202530, 209281, 270040, 292020, 405060, 418562, 584040, 627843, 810120, 837124, 1046405, 1255686, 1674248, 2092810, 2511372, 3139215, 4185620, 5022744, 6278430, 8371240, 12556860, 25113720]

約数ペア:

[(1, 25113720), (2, 12556860), (3, 8371240), (4, 6278430), (5, 5022744), (6, 4185620), (8, 3139215), (10, 2511372), (12, 2092810), (15, 1674248), (20, 1255686), (24, 1046405), (30, 837124), (31, 810120), (40, 627843), (43, 584040), (60, 418562), (62, 405060), (86, 292020), (93, 270040), (120, 209281), (124, 202530), (129, 194680), (155, 162024), (157, 159960), (172, 146010), (186, 135020), (215, 116808), (248, 101265), (258, 97340), (310, 81012), (314, 79980), (344, 73005), (372, 67510), (430, 58404), (465, 54008), (471, 53320), (516, 48670), (620, 40506), (628, 39990), (645, 38936), (744, 33755), (785, 31992), (860, 29202), (930, 27004), (942, 26660), (1032, 24335), (1240, 20253), (1256, 19995), (1290, 19468), (1333, 18840), (1570, 15996), (1720, 14601), (1860, 13502), (1884, 13330), (2355, 10664), (2580, 9734), (2666, 9420), (3140, 7998), (3720, 6751), (3768, 6665), (3999, 6280), (4710, 5332), (4867, 5160)]