55640520

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1321}}^1$

素因数の和:1357

約数の個数: 160

約数和(自身を含む): 201552120

約数和(自身を除く): 145911600

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, 81, 90, 104, 108, 117, 120, 130, 135, 156, 162, 180, 195, 216, 234, 260, 270, 312, 324, 351, 360, 390, 405, 468, 520, 540, 585, 648, 702, 780, 810, 936, 1053, 1080, 1170, 1321, 1404, 1560, 1620, 1755, 2106, 2340, 2642, 2808, 3240, 3510, 3963, 4212, 4680, 5265, 5284, 6605, 7020, 7926, 8424, 10530, 10568, 11889, 13210, 14040, 15852, 17173, 19815, 21060, 23778, 26420, 31704, 34346, 35667, 39630, 42120, 47556, 51519, 52840, 59445, 68692, 71334, 79260, 85865, 95112, 103038, 107001, 118890, 137384, 142668, 154557, 158520, 171730, 178335, 206076, 214002, 237780, 257595, 285336, 309114, 343460, 356670, 412152, 428004, 463671, 475560, 515190, 535005, 618228, 686920, 713340, 772785, 856008, 927342, 1030380, 1070010, 1236456, 1391013, 1426680, 1545570, 1854684, 2060760, 2140020, 2318355, 2782026, 3091140, 3709368, 4280040, 4636710, 5564052, 6182280, 6955065, 9273420, 11128104, 13910130, 18546840, 27820260, 55640520]

約数ペア:

[(1, 55640520), (2, 27820260), (3, 18546840), (4, 13910130), (5, 11128104), (6, 9273420), (8, 6955065), (9, 6182280), (10, 5564052), (12, 4636710), (13, 4280040), (15, 3709368), (18, 3091140), (20, 2782026), (24, 2318355), (26, 2140020), (27, 2060760), (30, 1854684), (36, 1545570), (39, 1426680), (40, 1391013), (45, 1236456), (52, 1070010), (54, 1030380), (60, 927342), (65, 856008), (72, 772785), (78, 713340), (81, 686920), (90, 618228), (104, 535005), (108, 515190), (117, 475560), (120, 463671), (130, 428004), (135, 412152), (156, 356670), (162, 343460), (180, 309114), (195, 285336), (216, 257595), (234, 237780), (260, 214002), (270, 206076), (312, 178335), (324, 171730), (351, 158520), (360, 154557), (390, 142668), (405, 137384), (468, 118890), (520, 107001), (540, 103038), (585, 95112), (648, 85865), (702, 79260), (780, 71334), (810, 68692), (936, 59445), (1053, 52840), (1080, 51519), (1170, 47556), (1321, 42120), (1404, 39630), (1560, 35667), (1620, 34346), (1755, 31704), (2106, 26420), (2340, 23778), (2642, 21060), (2808, 19815), (3240, 17173), (3510, 15852), (3963, 14040), (4212, 13210), (4680, 11889), (5265, 10568), (5284, 10530), (6605, 8424), (7020, 7926)]