78390480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1609}}^1$

素因数の和:1661

約数の個数: 160

約数和(自身を含む): 287481600

約数和(自身を除く): 209091120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 35, 40, 42, 48, 56, 58, 60, 70, 80, 84, 87, 105, 112, 116, 120, 140, 145, 168, 174, 203, 210, 232, 240, 280, 290, 336, 348, 406, 420, 435, 464, 560, 580, 609, 696, 812, 840, 870, 1015, 1160, 1218, 1392, 1609, 1624, 1680, 1740, 2030, 2320, 2436, 3045, 3218, 3248, 3480, 4060, 4827, 4872, 6090, 6436, 6960, 8045, 8120, 9654, 9744, 11263, 12180, 12872, 16090, 16240, 19308, 22526, 24135, 24360, 25744, 32180, 33789, 38616, 45052, 46661, 48270, 48720, 56315, 64360, 67578, 77232, 90104, 93322, 96540, 112630, 128720, 135156, 139983, 168945, 180208, 186644, 193080, 225260, 233305, 270312, 279966, 326627, 337890, 373288, 386160, 450520, 466610, 540624, 559932, 653254, 675780, 699915, 746576, 901040, 933220, 979881, 1119864, 1306508, 1351560, 1399830, 1633135, 1866440, 1959762, 2239728, 2613016, 2703120, 2799660, 3266270, 3732880, 3919524, 4899405, 5226032, 5599320, 6532540, 7839048, 9798810, 11198640, 13065080, 15678096, 19597620, 26130160, 39195240, 78390480]

約数ペア:

[(1, 78390480), (2, 39195240), (3, 26130160), (4, 19597620), (5, 15678096), (6, 13065080), (7, 11198640), (8, 9798810), (10, 7839048), (12, 6532540), (14, 5599320), (15, 5226032), (16, 4899405), (20, 3919524), (21, 3732880), (24, 3266270), (28, 2799660), (29, 2703120), (30, 2613016), (35, 2239728), (40, 1959762), (42, 1866440), (48, 1633135), (56, 1399830), (58, 1351560), (60, 1306508), (70, 1119864), (80, 979881), (84, 933220), (87, 901040), (105, 746576), (112, 699915), (116, 675780), (120, 653254), (140, 559932), (145, 540624), (168, 466610), (174, 450520), (203, 386160), (210, 373288), (232, 337890), (240, 326627), (280, 279966), (290, 270312), (336, 233305), (348, 225260), (406, 193080), (420, 186644), (435, 180208), (464, 168945), (560, 139983), (580, 135156), (609, 128720), (696, 112630), (812, 96540), (840, 93322), (870, 90104), (1015, 77232), (1160, 67578), (1218, 64360), (1392, 56315), (1609, 48720), (1624, 48270), (1680, 46661), (1740, 45052), (2030, 38616), (2320, 33789), (2436, 32180), (3045, 25744), (3218, 24360), (3248, 24135), (3480, 22526), (4060, 19308), (4827, 16240), (4872, 16090), (6090, 12872), (6436, 12180), (6960, 11263), (8045, 9744), (8120, 9654)]