278480340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{761}}^1$

素因数の和:902

約数の個数: 144

約数和(自身を含む): 898672320

約数和(自身を除く): 620191980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 107, 114, 171, 180, 190, 214, 228, 285, 321, 342, 380, 428, 535, 570, 642, 684, 761, 855, 963, 1070, 1140, 1284, 1522, 1605, 1710, 1926, 2033, 2140, 2283, 3044, 3210, 3420, 3805, 3852, 4066, 4566, 4815, 6099, 6420, 6849, 7610, 8132, 9132, 9630, 10165, 11415, 12198, 13698, 14459, 15220, 18297, 19260, 20330, 22830, 24396, 27396, 28918, 30495, 34245, 36594, 40660, 43377, 45660, 57836, 60990, 68490, 72295, 73188, 81427, 86754, 91485, 121980, 130131, 136980, 144590, 162854, 173508, 182970, 216885, 244281, 260262, 289180, 325708, 365940, 407135, 433770, 488562, 520524, 650655, 732843, 814270, 867540, 977124, 1221405, 1301310, 1465686, 1547113, 1628540, 2442810, 2602620, 2931372, 3094226, 3664215, 4641339, 4885620, 6188452, 7328430, 7735565, 9282678, 13924017, 14656860, 15471130, 18565356, 23206695, 27848034, 30942260, 46413390, 55696068, 69620085, 92826780, 139240170, 278480340]

約数ペア:

[(1, 278480340), (2, 139240170), (3, 92826780), (4, 69620085), (5, 55696068), (6, 46413390), (9, 30942260), (10, 27848034), (12, 23206695), (15, 18565356), (18, 15471130), (19, 14656860), (20, 13924017), (30, 9282678), (36, 7735565), (38, 7328430), (45, 6188452), (57, 4885620), (60, 4641339), (76, 3664215), (90, 3094226), (95, 2931372), (107, 2602620), (114, 2442810), (171, 1628540), (180, 1547113), (190, 1465686), (214, 1301310), (228, 1221405), (285, 977124), (321, 867540), (342, 814270), (380, 732843), (428, 650655), (535, 520524), (570, 488562), (642, 433770), (684, 407135), (761, 365940), (855, 325708), (963, 289180), (1070, 260262), (1140, 244281), (1284, 216885), (1522, 182970), (1605, 173508), (1710, 162854), (1926, 144590), (2033, 136980), (2140, 130131), (2283, 121980), (3044, 91485), (3210, 86754), (3420, 81427), (3805, 73188), (3852, 72295), (4066, 68490), (4566, 60990), (4815, 57836), (6099, 45660), (6420, 43377), (6849, 40660), (7610, 36594), (8132, 34245), (9132, 30495), (9630, 28918), (10165, 27396), (11415, 24396), (12198, 22830), (13698, 20330), (14459, 19260), (15220, 18297)]