320262480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{571}}^1$

素因数の和:650

約数の個数: 240

約数和(自身を含む): 1161800640

約数和(自身を除く): 841538160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 41, 45, 48, 57, 60, 72, 76, 80, 82, 90, 95, 114, 120, 123, 144, 152, 164, 171, 180, 190, 205, 228, 240, 246, 285, 304, 328, 342, 360, 369, 380, 410, 456, 492, 570, 571, 615, 656, 684, 720, 738, 760, 779, 820, 855, 912, 984, 1140, 1142, 1230, 1368, 1476, 1520, 1558, 1640, 1710, 1713, 1845, 1968, 2280, 2284, 2337, 2460, 2736, 2855, 2952, 3116, 3280, 3420, 3426, 3690, 3895, 4560, 4568, 4674, 4920, 5139, 5710, 5904, 6232, 6840, 6852, 7011, 7380, 7790, 8565, 9136, 9348, 9840, 10278, 10849, 11420, 11685, 12464, 13680, 13704, 14022, 14760, 15580, 17130, 18696, 20556, 21698, 22840, 23370, 23411, 25695, 27408, 28044, 29520, 31160, 32547, 34260, 35055, 37392, 41112, 43396, 45680, 46740, 46822, 51390, 54245, 56088, 62320, 65094, 68520, 70110, 70233, 82224, 86792, 93480, 93644, 97641, 102780, 108490, 112176, 117055, 130188, 137040, 140220, 140466, 162735, 173584, 186960, 187288, 195282, 205560, 210699, 216980, 234110, 260376, 280440, 280932, 325470, 351165, 374576, 390564, 411120, 421398, 433960, 444809, 468220, 488205, 520752, 560880, 561864, 650940, 702330, 781128, 842796, 867920, 889618, 936440, 976410, 1053495, 1123728, 1301880, 1334427, 1404660, 1562256, 1685592, 1779236, 1872880, 1952820, 2106990, 2224045, 2603760, 2668854, 2809320, 3371184, 3558472, 3905640, 4003281, 4213980, 4448090, 5337708, 5618640, 6672135, 7116944, 7811280, 8006562, 8427960, 8896180, 10675416, 13344270, 16013124, 16855920, 17792360, 20016405, 21350832, 26688540, 32026248, 35584720, 40032810, 53377080, 64052496, 80065620, 106754160, 160131240, 320262480]

約数ペア:

[(1, 320262480), (2, 160131240), (3, 106754160), (4, 80065620), (5, 64052496), (6, 53377080), (8, 40032810), (9, 35584720), (10, 32026248), (12, 26688540), (15, 21350832), (16, 20016405), (18, 17792360), (19, 16855920), (20, 16013124), (24, 13344270), (30, 10675416), (36, 8896180), (38, 8427960), (40, 8006562), (41, 7811280), (45, 7116944), (48, 6672135), (57, 5618640), (60, 5337708), (72, 4448090), (76, 4213980), (80, 4003281), (82, 3905640), (90, 3558472), (95, 3371184), (114, 2809320), (120, 2668854), (123, 2603760), (144, 2224045), (152, 2106990), (164, 1952820), (171, 1872880), (180, 1779236), (190, 1685592), (205, 1562256), (228, 1404660), (240, 1334427), (246, 1301880), (285, 1123728), (304, 1053495), (328, 976410), (342, 936440), (360, 889618), (369, 867920), (380, 842796), (410, 781128), (456, 702330), (492, 650940), (570, 561864), (571, 560880), (615, 520752), (656, 488205), (684, 468220), (720, 444809), (738, 433960), (760, 421398), (779, 411120), (820, 390564), (855, 374576), (912, 351165), (984, 325470), (1140, 280932), (1142, 280440), (1230, 260376), (1368, 234110), (1476, 216980), (1520, 210699), (1558, 205560), (1640, 195282), (1710, 187288), (1713, 186960), (1845, 173584), (1968, 162735), (2280, 140466), (2284, 140220), (2337, 137040), (2460, 130188), (2736, 117055), (2855, 112176), (2952, 108490), (3116, 102780), (3280, 97641), (3420, 93644), (3426, 93480), (3690, 86792), (3895, 82224), (4560, 70233), (4568, 70110), (4674, 68520), (4920, 65094), (5139, 62320), (5710, 56088), (5904, 54245), (6232, 51390), (6840, 46822), (6852, 46740), (7011, 45680), (7380, 43396), (7790, 41112), (8565, 37392), (9136, 35055), (9348, 34260), (9840, 32547), (10278, 31160), (10849, 29520), (11420, 28044), (11685, 27408), (12464, 25695), (13680, 23411), (13704, 23370), (14022, 22840), (14760, 21698), (15580, 20556), (17130, 18696)]