320420880

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11411}}^1$

素因数の和:11446

約数の個数: 160

約数和(自身を含む): 1188673920

約数和(自身を除く): 868253040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 104, 108, 117, 120, 130, 135, 144, 156, 180, 195, 208, 216, 234, 240, 260, 270, 312, 351, 360, 390, 432, 468, 520, 540, 585, 624, 702, 720, 780, 936, 1040, 1080, 1170, 1404, 1560, 1755, 1872, 2160, 2340, 2808, 3120, 3510, 4680, 5616, 7020, 9360, 11411, 14040, 22822, 28080, 34233, 45644, 57055, 68466, 91288, 102699, 114110, 136932, 148343, 171165, 182576, 205398, 228220, 273864, 296686, 308097, 342330, 410796, 445029, 456440, 513495, 547728, 593372, 616194, 684660, 741715, 821592, 890058, 912880, 1026990, 1186744, 1232388, 1335087, 1369320, 1483430, 1540485, 1643184, 1780116, 2053980, 2225145, 2373488, 2464776, 2670174, 2738640, 2966860, 3080970, 3560232, 4005261, 4107960, 4450290, 4929552, 5340348, 5933720, 6161940, 6675435, 7120464, 8010522, 8215920, 8900580, 10680696, 11867440, 12323880, 13350870, 16021044, 17801160, 20026305, 21361392, 24647760, 26701740, 32042088, 35602320, 40052610, 53403480, 64084176, 80105220, 106806960, 160210440, 320420880]

約数ペア:

[(1, 320420880), (2, 160210440), (3, 106806960), (4, 80105220), (5, 64084176), (6, 53403480), (8, 40052610), (9, 35602320), (10, 32042088), (12, 26701740), (13, 24647760), (15, 21361392), (16, 20026305), (18, 17801160), (20, 16021044), (24, 13350870), (26, 12323880), (27, 11867440), (30, 10680696), (36, 8900580), (39, 8215920), (40, 8010522), (45, 7120464), (48, 6675435), (52, 6161940), (54, 5933720), (60, 5340348), (65, 4929552), (72, 4450290), (78, 4107960), (80, 4005261), (90, 3560232), (104, 3080970), (108, 2966860), (117, 2738640), (120, 2670174), (130, 2464776), (135, 2373488), (144, 2225145), (156, 2053980), (180, 1780116), (195, 1643184), (208, 1540485), (216, 1483430), (234, 1369320), (240, 1335087), (260, 1232388), (270, 1186744), (312, 1026990), (351, 912880), (360, 890058), (390, 821592), (432, 741715), (468, 684660), (520, 616194), (540, 593372), (585, 547728), (624, 513495), (702, 456440), (720, 445029), (780, 410796), (936, 342330), (1040, 308097), (1080, 296686), (1170, 273864), (1404, 228220), (1560, 205398), (1755, 182576), (1872, 171165), (2160, 148343), (2340, 136932), (2808, 114110), (3120, 102699), (3510, 91288), (4680, 68466), (5616, 57055), (7020, 45644), (9360, 34233), (11411, 28080), (14040, 22822)]