216820890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{991}}^1$

素因数の和:1045

約数の個数: 192

約数和(自身を含む): 701955072

約数和(自身を除く): 485134182

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 13, 15, 17, 18, 22, 26, 30, 33, 34, 39, 45, 51, 55, 65, 66, 78, 85, 90, 99, 102, 110, 117, 130, 143, 153, 165, 170, 187, 195, 198, 221, 234, 255, 286, 306, 330, 374, 390, 429, 442, 495, 510, 561, 585, 663, 715, 765, 858, 935, 990, 991, 1105, 1122, 1170, 1287, 1326, 1430, 1530, 1683, 1870, 1982, 1989, 2145, 2210, 2431, 2574, 2805, 2973, 3315, 3366, 3978, 4290, 4862, 4955, 5610, 5946, 6435, 6630, 7293, 8415, 8919, 9910, 9945, 10901, 12155, 12870, 12883, 14586, 14865, 16830, 16847, 17838, 19890, 21802, 21879, 24310, 25766, 29730, 32703, 33694, 36465, 38649, 43758, 44595, 50541, 54505, 64415, 65406, 72930, 77298, 84235, 89190, 98109, 101082, 109010, 109395, 115947, 128830, 141713, 151623, 163515, 168470, 185317, 193245, 196218, 218790, 219011, 231894, 252705, 283426, 303246, 327030, 370634, 386490, 425139, 438022, 490545, 505410, 555951, 579735, 657033, 708565, 758115, 850278, 926585, 981090, 1095055, 1111902, 1159470, 1275417, 1314066, 1417130, 1516230, 1667853, 1853170, 1971099, 2125695, 2190110, 2409121, 2550834, 2779755, 3285165, 3335706, 3942198, 4251390, 4818242, 5559510, 6377085, 6570330, 7227363, 8339265, 9855495, 12045605, 12754170, 14454726, 16678530, 19710990, 21682089, 24091210, 36136815, 43364178, 72273630, 108410445, 216820890]

約数ペア:

[(1, 216820890), (2, 108410445), (3, 72273630), (5, 43364178), (6, 36136815), (9, 24091210), (10, 21682089), (11, 19710990), (13, 16678530), (15, 14454726), (17, 12754170), (18, 12045605), (22, 9855495), (26, 8339265), (30, 7227363), (33, 6570330), (34, 6377085), (39, 5559510), (45, 4818242), (51, 4251390), (55, 3942198), (65, 3335706), (66, 3285165), (78, 2779755), (85, 2550834), (90, 2409121), (99, 2190110), (102, 2125695), (110, 1971099), (117, 1853170), (130, 1667853), (143, 1516230), (153, 1417130), (165, 1314066), (170, 1275417), (187, 1159470), (195, 1111902), (198, 1095055), (221, 981090), (234, 926585), (255, 850278), (286, 758115), (306, 708565), (330, 657033), (374, 579735), (390, 555951), (429, 505410), (442, 490545), (495, 438022), (510, 425139), (561, 386490), (585, 370634), (663, 327030), (715, 303246), (765, 283426), (858, 252705), (935, 231894), (990, 219011), (991, 218790), (1105, 196218), (1122, 193245), (1170, 185317), (1287, 168470), (1326, 163515), (1430, 151623), (1530, 141713), (1683, 128830), (1870, 115947), (1982, 109395), (1989, 109010), (2145, 101082), (2210, 98109), (2431, 89190), (2574, 84235), (2805, 77298), (2973, 72930), (3315, 65406), (3366, 64415), (3978, 54505), (4290, 50541), (4862, 44595), (4955, 43758), (5610, 38649), (5946, 36465), (6435, 33694), (6630, 32703), (7293, 29730), (8415, 25766), (8919, 24310), (9910, 21879), (9945, 21802), (10901, 19890), (12155, 17838), (12870, 16847), (12883, 16830), (14586, 14865)]