78519780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2551}}^1$

素因数の和:2591

約数の個数: 120

約数和(自身を含む): 259385280

約数和(自身を除く): 180865500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 270, 285, 324, 342, 380, 405, 513, 540, 570, 684, 810, 855, 1026, 1140, 1539, 1620, 1710, 2052, 2551, 2565, 3078, 3420, 5102, 5130, 6156, 7653, 7695, 10204, 10260, 12755, 15306, 15390, 22959, 25510, 30612, 30780, 38265, 45918, 48469, 51020, 68877, 76530, 91836, 96938, 114795, 137754, 145407, 153060, 193876, 206631, 229590, 242345, 275508, 290814, 344385, 413262, 436221, 459180, 484690, 581628, 688770, 727035, 826524, 872442, 969380, 1033155, 1308663, 1377540, 1454070, 1744884, 2066310, 2181105, 2617326, 2908140, 3925989, 4132620, 4362210, 5234652, 6543315, 7851978, 8724420, 13086630, 15703956, 19629945, 26173260, 39259890, 78519780]

約数ペア:

[(1, 78519780), (2, 39259890), (3, 26173260), (4, 19629945), (5, 15703956), (6, 13086630), (9, 8724420), (10, 7851978), (12, 6543315), (15, 5234652), (18, 4362210), (19, 4132620), (20, 3925989), (27, 2908140), (30, 2617326), (36, 2181105), (38, 2066310), (45, 1744884), (54, 1454070), (57, 1377540), (60, 1308663), (76, 1033155), (81, 969380), (90, 872442), (95, 826524), (108, 727035), (114, 688770), (135, 581628), (162, 484690), (171, 459180), (180, 436221), (190, 413262), (228, 344385), (270, 290814), (285, 275508), (324, 242345), (342, 229590), (380, 206631), (405, 193876), (513, 153060), (540, 145407), (570, 137754), (684, 114795), (810, 96938), (855, 91836), (1026, 76530), (1140, 68877), (1539, 51020), (1620, 48469), (1710, 45918), (2052, 38265), (2551, 30780), (2565, 30612), (3078, 25510), (3420, 22959), (5102, 15390), (5130, 15306), (6156, 12755), (7653, 10260), (7695, 10204)]