18546840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1321}}^1$

素因数の和:1354

約数の個数: 128

約数和(自身を含む): 66628800

約数和(自身を除く): 48081960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 180, 195, 216, 234, 260, 270, 312, 351, 360, 390, 468, 520, 540, 585, 702, 780, 936, 1080, 1170, 1321, 1404, 1560, 1755, 2340, 2642, 2808, 3510, 3963, 4680, 5284, 6605, 7020, 7926, 10568, 11889, 13210, 14040, 15852, 17173, 19815, 23778, 26420, 31704, 34346, 35667, 39630, 47556, 51519, 52840, 59445, 68692, 71334, 79260, 85865, 95112, 103038, 118890, 137384, 142668, 154557, 158520, 171730, 178335, 206076, 237780, 257595, 285336, 309114, 343460, 356670, 412152, 463671, 475560, 515190, 618228, 686920, 713340, 772785, 927342, 1030380, 1236456, 1426680, 1545570, 1854684, 2060760, 2318355, 3091140, 3709368, 4636710, 6182280, 9273420, 18546840]

約数ペア:

[(1, 18546840), (2, 9273420), (3, 6182280), (4, 4636710), (5, 3709368), (6, 3091140), (8, 2318355), (9, 2060760), (10, 1854684), (12, 1545570), (13, 1426680), (15, 1236456), (18, 1030380), (20, 927342), (24, 772785), (26, 713340), (27, 686920), (30, 618228), (36, 515190), (39, 475560), (40, 463671), (45, 412152), (52, 356670), (54, 343460), (60, 309114), (65, 285336), (72, 257595), (78, 237780), (90, 206076), (104, 178335), (108, 171730), (117, 158520), (120, 154557), (130, 142668), (135, 137384), (156, 118890), (180, 103038), (195, 95112), (216, 85865), (234, 79260), (260, 71334), (270, 68692), (312, 59445), (351, 52840), (360, 51519), (390, 47556), (468, 39630), (520, 35667), (540, 34346), (585, 31704), (702, 26420), (780, 23778), (936, 19815), (1080, 17173), (1170, 15852), (1321, 14040), (1404, 13210), (1560, 11889), (1755, 10568), (2340, 7926), (2642, 7020), (2808, 6605), (3510, 5284), (3963, 4680)]