128321820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1$

素因数の和:430

約数の個数: 240

約数和(自身を含む): 463478400

約数和(自身を除く): 335156580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 27, 30, 33, 36, 38, 44, 45, 54, 55, 57, 60, 66, 76, 81, 90, 95, 99, 108, 110, 114, 132, 135, 162, 165, 171, 180, 190, 198, 209, 220, 228, 270, 285, 297, 324, 330, 342, 379, 380, 396, 405, 418, 495, 513, 540, 570, 594, 627, 660, 684, 758, 810, 836, 855, 891, 990, 1026, 1045, 1137, 1140, 1188, 1254, 1485, 1516, 1539, 1620, 1710, 1782, 1881, 1895, 1980, 2052, 2090, 2274, 2508, 2565, 2970, 3078, 3135, 3411, 3420, 3564, 3762, 3790, 4169, 4180, 4455, 4548, 5130, 5643, 5685, 5940, 6156, 6270, 6822, 7201, 7524, 7580, 7695, 8338, 8910, 9405, 10233, 10260, 11286, 11370, 12507, 12540, 13644, 14402, 15390, 16676, 16929, 17055, 17820, 18810, 20466, 20845, 21603, 22572, 22740, 25014, 28215, 28804, 30699, 30780, 33858, 34110, 36005, 37521, 37620, 40932, 41690, 43206, 50028, 51165, 56430, 61398, 62535, 64809, 67716, 68220, 72010, 75042, 79211, 83380, 84645, 86412, 102330, 108015, 112563, 112860, 122796, 125070, 129618, 144020, 150084, 153495, 158422, 169290, 187605, 194427, 204660, 216030, 225126, 237633, 250140, 259236, 306990, 316844, 324045, 337689, 338580, 375210, 388854, 396055, 432060, 450252, 475266, 562815, 583281, 613980, 648090, 675378, 712899, 750420, 777708, 792110, 950532, 972135, 1125630, 1166562, 1188165, 1296180, 1350756, 1425798, 1584220, 1688445, 1944270, 2138697, 2251260, 2333124, 2376330, 2851596, 2916405, 3376890, 3564495, 3888540, 4277394, 4752660, 5832810, 6416091, 6753780, 7128990, 8554788, 10693485, 11665620, 12832182, 14257980, 21386970, 25664364, 32080455, 42773940, 64160910, 128321820]

約数ペア:

[(1, 128321820), (2, 64160910), (3, 42773940), (4, 32080455), (5, 25664364), (6, 21386970), (9, 14257980), (10, 12832182), (11, 11665620), (12, 10693485), (15, 8554788), (18, 7128990), (19, 6753780), (20, 6416091), (22, 5832810), (27, 4752660), (30, 4277394), (33, 3888540), (36, 3564495), (38, 3376890), (44, 2916405), (45, 2851596), (54, 2376330), (55, 2333124), (57, 2251260), (60, 2138697), (66, 1944270), (76, 1688445), (81, 1584220), (90, 1425798), (95, 1350756), (99, 1296180), (108, 1188165), (110, 1166562), (114, 1125630), (132, 972135), (135, 950532), (162, 792110), (165, 777708), (171, 750420), (180, 712899), (190, 675378), (198, 648090), (209, 613980), (220, 583281), (228, 562815), (270, 475266), (285, 450252), (297, 432060), (324, 396055), (330, 388854), (342, 375210), (379, 338580), (380, 337689), (396, 324045), (405, 316844), (418, 306990), (495, 259236), (513, 250140), (540, 237633), (570, 225126), (594, 216030), (627, 204660), (660, 194427), (684, 187605), (758, 169290), (810, 158422), (836, 153495), (855, 150084), (891, 144020), (990, 129618), (1026, 125070), (1045, 122796), (1137, 112860), (1140, 112563), (1188, 108015), (1254, 102330), (1485, 86412), (1516, 84645), (1539, 83380), (1620, 79211), (1710, 75042), (1782, 72010), (1881, 68220), (1895, 67716), (1980, 64809), (2052, 62535), (2090, 61398), (2274, 56430), (2508, 51165), (2565, 50028), (2970, 43206), (3078, 41690), (3135, 40932), (3411, 37620), (3420, 37521), (3564, 36005), (3762, 34110), (3790, 33858), (4169, 30780), (4180, 30699), (4455, 28804), (4548, 28215), (5130, 25014), (5643, 22740), (5685, 22572), (5940, 21603), (6156, 20845), (6270, 20466), (6822, 18810), (7201, 17820), (7524, 17055), (7580, 16929), (7695, 16676), (8338, 15390), (8910, 14402), (9405, 13644), (10233, 12540), (10260, 12507), (11286, 11370)]