25567740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1$

素因数の和:412

約数の個数: 144

約数和(自身を含む): 87141600

約数和(自身を除く): 61573860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 37, 44, 45, 55, 60, 66, 74, 90, 99, 110, 111, 132, 148, 165, 180, 185, 198, 220, 222, 330, 333, 349, 370, 396, 407, 444, 495, 555, 660, 666, 698, 740, 814, 990, 1047, 1110, 1221, 1332, 1396, 1628, 1665, 1745, 1980, 2035, 2094, 2220, 2442, 3141, 3330, 3490, 3663, 3839, 4070, 4188, 4884, 5235, 6105, 6282, 6660, 6980, 7326, 7678, 8140, 10470, 11517, 12210, 12564, 12913, 14652, 15356, 15705, 18315, 19195, 20940, 23034, 24420, 25826, 31410, 34551, 36630, 38390, 38739, 46068, 51652, 57585, 62820, 64565, 69102, 73260, 76780, 77478, 115170, 116217, 129130, 138204, 142043, 154956, 172755, 193695, 230340, 232434, 258260, 284086, 345510, 387390, 426129, 464868, 568172, 581085, 691020, 710215, 774780, 852258, 1162170, 1278387, 1420430, 1704516, 2130645, 2324340, 2556774, 2840860, 4261290, 5113548, 6391935, 8522580, 12783870, 25567740]

約数ペア:

[(1, 25567740), (2, 12783870), (3, 8522580), (4, 6391935), (5, 5113548), (6, 4261290), (9, 2840860), (10, 2556774), (11, 2324340), (12, 2130645), (15, 1704516), (18, 1420430), (20, 1278387), (22, 1162170), (30, 852258), (33, 774780), (36, 710215), (37, 691020), (44, 581085), (45, 568172), (55, 464868), (60, 426129), (66, 387390), (74, 345510), (90, 284086), (99, 258260), (110, 232434), (111, 230340), (132, 193695), (148, 172755), (165, 154956), (180, 142043), (185, 138204), (198, 129130), (220, 116217), (222, 115170), (330, 77478), (333, 76780), (349, 73260), (370, 69102), (396, 64565), (407, 62820), (444, 57585), (495, 51652), (555, 46068), (660, 38739), (666, 38390), (698, 36630), (740, 34551), (814, 31410), (990, 25826), (1047, 24420), (1110, 23034), (1221, 20940), (1332, 19195), (1396, 18315), (1628, 15705), (1665, 15356), (1745, 14652), (1980, 12913), (2035, 12564), (2094, 12210), (2220, 11517), (2442, 10470), (3141, 8140), (3330, 7678), (3490, 7326), (3663, 6980), (3839, 6660), (4070, 6282), (4188, 6105), (4884, 5235)]