320945400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:199

約数の個数: 288

約数和(自身を含む): 1139361600

約数和(自身を除く): 818416200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 37, 40, 45, 50, 60, 61, 72, 74, 75, 79, 90, 100, 111, 120, 122, 148, 150, 158, 180, 183, 185, 200, 222, 225, 237, 244, 296, 300, 305, 316, 333, 360, 366, 370, 395, 444, 450, 474, 488, 549, 555, 600, 610, 632, 666, 711, 732, 740, 790, 888, 900, 915, 925, 948, 1098, 1110, 1185, 1220, 1332, 1422, 1464, 1480, 1525, 1580, 1665, 1800, 1830, 1850, 1896, 1975, 2196, 2220, 2257, 2370, 2440, 2664, 2745, 2775, 2844, 2923, 3050, 3160, 3330, 3555, 3660, 3700, 3950, 4392, 4440, 4514, 4575, 4740, 4819, 5490, 5550, 5688, 5846, 5925, 6100, 6660, 6771, 7110, 7320, 7400, 7900, 8325, 8769, 9028, 9150, 9480, 9638, 10980, 11100, 11285, 11692, 11850, 12200, 13320, 13542, 13725, 14220, 14457, 14615, 15800, 16650, 17538, 17775, 18056, 18300, 19276, 20313, 21960, 22200, 22570, 23384, 23700, 24095, 26307, 27084, 27450, 28440, 28914, 29230, 33300, 33855, 35076, 35550, 36600, 38552, 40626, 43371, 43845, 45140, 47400, 48190, 52614, 54168, 54900, 56425, 57828, 58460, 66600, 67710, 70152, 71100, 72285, 73075, 81252, 86742, 87690, 90280, 96380, 101565, 105228, 109800, 112850, 115656, 116920, 120475, 131535, 135420, 142200, 144570, 146150, 162504, 169275, 173484, 175380, 178303, 192760, 203130, 210456, 216855, 219225, 225700, 240950, 263070, 270840, 289140, 292300, 338550, 346968, 350760, 356606, 361425, 406260, 433710, 438450, 451400, 481900, 507825, 526140, 534909, 578280, 584600, 657675, 677100, 713212, 722850, 812520, 867420, 876900, 891515, 963800, 1015650, 1052280, 1069818, 1084275, 1315350, 1354200, 1426424, 1445700, 1604727, 1734840, 1753800, 1783030, 2031300, 2139636, 2168550, 2630700, 2674545, 2891400, 3209454, 3566060, 4062600, 4279272, 4337100, 4457575, 5261400, 5349090, 6418908, 7132120, 8023635, 8674200, 8915150, 10698180, 12837816, 13372725, 16047270, 17830300, 21396360, 26745450, 32094540, 35660600, 40118175, 53490900, 64189080, 80236350, 106981800, 160472700, 320945400]

約数ペア:

[(1, 320945400), (2, 160472700), (3, 106981800), (4, 80236350), (5, 64189080), (6, 53490900), (8, 40118175), (9, 35660600), (10, 32094540), (12, 26745450), (15, 21396360), (18, 17830300), (20, 16047270), (24, 13372725), (25, 12837816), (30, 10698180), (36, 8915150), (37, 8674200), (40, 8023635), (45, 7132120), (50, 6418908), (60, 5349090), (61, 5261400), (72, 4457575), (74, 4337100), (75, 4279272), (79, 4062600), (90, 3566060), (100, 3209454), (111, 2891400), (120, 2674545), (122, 2630700), (148, 2168550), (150, 2139636), (158, 2031300), (180, 1783030), (183, 1753800), (185, 1734840), (200, 1604727), (222, 1445700), (225, 1426424), (237, 1354200), (244, 1315350), (296, 1084275), (300, 1069818), (305, 1052280), (316, 1015650), (333, 963800), (360, 891515), (366, 876900), (370, 867420), (395, 812520), (444, 722850), (450, 713212), (474, 677100), (488, 657675), (549, 584600), (555, 578280), (600, 534909), (610, 526140), (632, 507825), (666, 481900), (711, 451400), (732, 438450), (740, 433710), (790, 406260), (888, 361425), (900, 356606), (915, 350760), (925, 346968), (948, 338550), (1098, 292300), (1110, 289140), (1185, 270840), (1220, 263070), (1332, 240950), (1422, 225700), (1464, 219225), (1480, 216855), (1525, 210456), (1580, 203130), (1665, 192760), (1800, 178303), (1830, 175380), (1850, 173484), (1896, 169275), (1975, 162504), (2196, 146150), (2220, 144570), (2257, 142200), (2370, 135420), (2440, 131535), (2664, 120475), (2745, 116920), (2775, 115656), (2844, 112850), (2923, 109800), (3050, 105228), (3160, 101565), (3330, 96380), (3555, 90280), (3660, 87690), (3700, 86742), (3950, 81252), (4392, 73075), (4440, 72285), (4514, 71100), (4575, 70152), (4740, 67710), (4819, 66600), (5490, 58460), (5550, 57828), (5688, 56425), (5846, 54900), (5925, 54168), (6100, 52614), (6660, 48190), (6771, 47400), (7110, 45140), (7320, 43845), (7400, 43371), (7900, 40626), (8325, 38552), (8769, 36600), (9028, 35550), (9150, 35076), (9480, 33855), (9638, 33300), (10980, 29230), (11100, 28914), (11285, 28440), (11692, 27450), (11850, 27084), (12200, 26307), (13320, 24095), (13542, 23700), (13725, 23384), (14220, 22570), (14457, 22200), (14615, 21960), (15800, 20313), (16650, 19276), (17538, 18300), (17775, 18056)]