72905040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7789}}^1$

素因数の和:7821

約数の個数: 120

約数和(自身を含む): 263707080

約数和(自身を除く): 190802040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2340, 3120, 4680, 7789, 9360, 15578, 23367, 31156, 38945, 46734, 62312, 70101, 77890, 93468, 101257, 116835, 124624, 140202, 155780, 186936, 202514, 233670, 280404, 303771, 311560, 350505, 373872, 405028, 467340, 506285, 560808, 607542, 623120, 701010, 810056, 911313, 934680, 1012570, 1121616, 1215084, 1402020, 1518855, 1620112, 1822626, 1869360, 2025140, 2430168, 2804040, 3037710, 3645252, 4050280, 4556565, 4860336, 5608080, 6075420, 7290504, 8100560, 9113130, 12150840, 14581008, 18226260, 24301680, 36452520, 72905040]

約数ペア:

[(1, 72905040), (2, 36452520), (3, 24301680), (4, 18226260), (5, 14581008), (6, 12150840), (8, 9113130), (9, 8100560), (10, 7290504), (12, 6075420), (13, 5608080), (15, 4860336), (16, 4556565), (18, 4050280), (20, 3645252), (24, 3037710), (26, 2804040), (30, 2430168), (36, 2025140), (39, 1869360), (40, 1822626), (45, 1620112), (48, 1518855), (52, 1402020), (60, 1215084), (65, 1121616), (72, 1012570), (78, 934680), (80, 911313), (90, 810056), (104, 701010), (117, 623120), (120, 607542), (130, 560808), (144, 506285), (156, 467340), (180, 405028), (195, 373872), (208, 350505), (234, 311560), (240, 303771), (260, 280404), (312, 233670), (360, 202514), (390, 186936), (468, 155780), (520, 140202), (585, 124624), (624, 116835), (720, 101257), (780, 93468), (936, 77890), (1040, 70101), (1170, 62312), (1560, 46734), (1872, 38945), (2340, 31156), (3120, 23367), (4680, 15578), (7789, 9360)]