25421220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{347}}^1$

素因数の和:410

約数の個数: 144

約数和(自身を含む): 86643648

約数和(自身を除く): 61222428

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, 347, 370, 396, 407, 444, 495, 555, 660, 666, 694, 740, 814, 990, 1041, 1110, 1221, 1332, 1388, 1628, 1665, 1735, 1980, 2035, 2082, 2220, 2442, 3123, 3330, 3470, 3663, 3817, 4070, 4164, 4884, 5205, 6105, 6246, 6660, 6940, 7326, 7634, 8140, 10410, 11451, 12210, 12492, 12839, 14652, 15268, 15615, 18315, 19085, 20820, 22902, 24420, 25678, 31230, 34353, 36630, 38170, 38517, 45804, 51356, 57255, 62460, 64195, 68706, 73260, 76340, 77034, 114510, 115551, 128390, 137412, 141229, 154068, 171765, 192585, 229020, 231102, 256780, 282458, 343530, 385170, 423687, 462204, 564916, 577755, 687060, 706145, 770340, 847374, 1155510, 1271061, 1412290, 1694748, 2118435, 2311020, 2542122, 2824580, 4236870, 5084244, 6355305, 8473740, 12710610, 25421220]

約数ペア:

[(1, 25421220), (2, 12710610), (3, 8473740), (4, 6355305), (5, 5084244), (6, 4236870), (9, 2824580), (10, 2542122), (11, 2311020), (12, 2118435), (15, 1694748), (18, 1412290), (20, 1271061), (22, 1155510), (30, 847374), (33, 770340), (36, 706145), (37, 687060), (44, 577755), (45, 564916), (55, 462204), (60, 423687), (66, 385170), (74, 343530), (90, 282458), (99, 256780), (110, 231102), (111, 229020), (132, 192585), (148, 171765), (165, 154068), (180, 141229), (185, 137412), (198, 128390), (220, 115551), (222, 114510), (330, 77034), (333, 76340), (347, 73260), (370, 68706), (396, 64195), (407, 62460), (444, 57255), (495, 51356), (555, 45804), (660, 38517), (666, 38170), (694, 36630), (740, 34353), (814, 31230), (990, 25678), (1041, 24420), (1110, 22902), (1221, 20820), (1332, 19085), (1388, 18315), (1628, 15615), (1665, 15268), (1735, 14652), (1980, 12839), (2035, 12492), (2082, 12210), (2220, 11451), (2442, 10410), (3123, 8140), (3330, 7634), (3470, 7326), (3663, 6940), (3817, 6660), (4070, 6246), (4164, 6105), (4884, 5205)]