8396040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:143

約数の個数: 128

約数和(自身を含む): 27141120

約数和(自身を除く): 18745080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 37, 40, 60, 61, 62, 74, 93, 111, 120, 122, 124, 148, 155, 183, 185, 186, 222, 244, 248, 296, 305, 310, 366, 370, 372, 444, 465, 488, 555, 610, 620, 732, 740, 744, 888, 915, 930, 1110, 1147, 1220, 1240, 1464, 1480, 1830, 1860, 1891, 2220, 2257, 2294, 2440, 3441, 3660, 3720, 3782, 4440, 4514, 4588, 5673, 5735, 6771, 6882, 7320, 7564, 9028, 9176, 9455, 11285, 11346, 11470, 13542, 13764, 15128, 17205, 18056, 18910, 22570, 22692, 22940, 27084, 27528, 28365, 33855, 34410, 37820, 45140, 45384, 45880, 54168, 56730, 67710, 68820, 69967, 75640, 90280, 113460, 135420, 137640, 139934, 209901, 226920, 270840, 279868, 349835, 419802, 559736, 699670, 839604, 1049505, 1399340, 1679208, 2099010, 2798680, 4198020, 8396040]

約数ペア:

[(1, 8396040), (2, 4198020), (3, 2798680), (4, 2099010), (5, 1679208), (6, 1399340), (8, 1049505), (10, 839604), (12, 699670), (15, 559736), (20, 419802), (24, 349835), (30, 279868), (31, 270840), (37, 226920), (40, 209901), (60, 139934), (61, 137640), (62, 135420), (74, 113460), (93, 90280), (111, 75640), (120, 69967), (122, 68820), (124, 67710), (148, 56730), (155, 54168), (183, 45880), (185, 45384), (186, 45140), (222, 37820), (244, 34410), (248, 33855), (296, 28365), (305, 27528), (310, 27084), (366, 22940), (370, 22692), (372, 22570), (444, 18910), (465, 18056), (488, 17205), (555, 15128), (610, 13764), (620, 13542), (732, 11470), (740, 11346), (744, 11285), (888, 9455), (915, 9176), (930, 9028), (1110, 7564), (1147, 7320), (1220, 6882), (1240, 6771), (1464, 5735), (1480, 5673), (1830, 4588), (1860, 4514), (1891, 4440), (2220, 3782), (2257, 3720), (2294, 3660), (2440, 3441)]