256670400

素因数分解:

$2^6\times 3^1\times 5^2\times 7^1\times {\mathrm{7639}}^1$

素因数の和:7671

約数の個数: 168

約数和(自身を含む): 962517760

約数和(自身を除く): 705847360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 64, 70, 75, 80, 84, 96, 100, 105, 112, 120, 140, 150, 160, 168, 175, 192, 200, 210, 224, 240, 280, 300, 320, 336, 350, 400, 420, 448, 480, 525, 560, 600, 672, 700, 800, 840, 960, 1050, 1120, 1200, 1344, 1400, 1600, 1680, 2100, 2240, 2400, 2800, 3360, 4200, 4800, 5600, 6720, 7639, 8400, 11200, 15278, 16800, 22917, 30556, 33600, 38195, 45834, 53473, 61112, 76390, 91668, 106946, 114585, 122224, 152780, 160419, 183336, 190975, 213892, 229170, 244448, 267365, 305560, 320838, 366672, 381950, 427784, 458340, 488896, 534730, 572925, 611120, 641676, 733344, 763900, 802095, 855568, 916680, 1069460, 1145850, 1222240, 1283352, 1336825, 1466688, 1527800, 1604190, 1711136, 1833360, 2138920, 2291700, 2444480, 2566704, 2673650, 3055600, 3208380, 3422272, 3666720, 4010475, 4277840, 4583400, 5133408, 5347300, 6111200, 6416760, 7333440, 8020950, 8555680, 9166800, 10266816, 10694600, 12222400, 12833520, 16041900, 17111360, 18333600, 21389200, 25667040, 32083800, 36667200, 42778400, 51334080, 64167600, 85556800, 128335200, 256670400]

約数ペア:

[(1, 256670400), (2, 128335200), (3, 85556800), (4, 64167600), (5, 51334080), (6, 42778400), (7, 36667200), (8, 32083800), (10, 25667040), (12, 21389200), (14, 18333600), (15, 17111360), (16, 16041900), (20, 12833520), (21, 12222400), (24, 10694600), (25, 10266816), (28, 9166800), (30, 8555680), (32, 8020950), (35, 7333440), (40, 6416760), (42, 6111200), (48, 5347300), (50, 5133408), (56, 4583400), (60, 4277840), (64, 4010475), (70, 3666720), (75, 3422272), (80, 3208380), (84, 3055600), (96, 2673650), (100, 2566704), (105, 2444480), (112, 2291700), (120, 2138920), (140, 1833360), (150, 1711136), (160, 1604190), (168, 1527800), (175, 1466688), (192, 1336825), (200, 1283352), (210, 1222240), (224, 1145850), (240, 1069460), (280, 916680), (300, 855568), (320, 802095), (336, 763900), (350, 733344), (400, 641676), (420, 611120), (448, 572925), (480, 534730), (525, 488896), (560, 458340), (600, 427784), (672, 381950), (700, 366672), (800, 320838), (840, 305560), (960, 267365), (1050, 244448), (1120, 229170), (1200, 213892), (1344, 190975), (1400, 183336), (1600, 160419), (1680, 152780), (2100, 122224), (2240, 114585), (2400, 106946), (2800, 91668), (3360, 76390), (4200, 61112), (4800, 53473), (5600, 45834), (6720, 38195), (7639, 33600), (8400, 30556), (11200, 22917), (15278, 16800)]