8740080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:279

約数の個数: 120

約数和(自身を含む): 29983200

約数和(自身を除く): 21243120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 90, 120, 122, 144, 180, 183, 199, 240, 244, 305, 360, 366, 398, 488, 549, 597, 610, 720, 732, 796, 915, 976, 995, 1098, 1194, 1220, 1464, 1592, 1791, 1830, 1990, 2196, 2388, 2440, 2745, 2928, 2985, 3184, 3582, 3660, 3980, 4392, 4776, 4880, 5490, 5970, 7164, 7320, 7960, 8784, 8955, 9552, 10980, 11940, 12139, 14328, 14640, 15920, 17910, 21960, 23880, 24278, 28656, 35820, 36417, 43920, 47760, 48556, 60695, 71640, 72834, 97112, 109251, 121390, 143280, 145668, 182085, 194224, 218502, 242780, 291336, 364170, 437004, 485560, 546255, 582672, 728340, 874008, 971120, 1092510, 1456680, 1748016, 2185020, 2913360, 4370040, 8740080]

約数ペア:

[(1, 8740080), (2, 4370040), (3, 2913360), (4, 2185020), (5, 1748016), (6, 1456680), (8, 1092510), (9, 971120), (10, 874008), (12, 728340), (15, 582672), (16, 546255), (18, 485560), (20, 437004), (24, 364170), (30, 291336), (36, 242780), (40, 218502), (45, 194224), (48, 182085), (60, 145668), (61, 143280), (72, 121390), (80, 109251), (90, 97112), (120, 72834), (122, 71640), (144, 60695), (180, 48556), (183, 47760), (199, 43920), (240, 36417), (244, 35820), (305, 28656), (360, 24278), (366, 23880), (398, 21960), (488, 17910), (549, 15920), (597, 14640), (610, 14328), (720, 12139), (732, 11940), (796, 10980), (915, 9552), (976, 8955), (995, 8784), (1098, 7960), (1194, 7320), (1220, 7164), (1464, 5970), (1592, 5490), (1791, 4880), (1830, 4776), (1990, 4392), (2196, 3980), (2388, 3660), (2440, 3582), (2745, 3184), (2928, 2985)]