71640108

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:208

約数の個数: 144

約数和(自身を含む): 207174240

約数和(自身を除く): 135534132

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 34, 36, 38, 51, 57, 61, 68, 76, 101, 102, 114, 122, 153, 171, 183, 202, 204, 228, 244, 303, 306, 323, 342, 366, 404, 549, 606, 612, 646, 684, 732, 909, 969, 1037, 1098, 1159, 1212, 1292, 1717, 1818, 1919, 1938, 2074, 2196, 2318, 2907, 3111, 3434, 3477, 3636, 3838, 3876, 4148, 4636, 5151, 5757, 5814, 6161, 6222, 6868, 6954, 7676, 9333, 10302, 10431, 11514, 11628, 12322, 12444, 13908, 15453, 17271, 18483, 18666, 19703, 20604, 20862, 23028, 24644, 30906, 32623, 34542, 36966, 37332, 39406, 41724, 55449, 59109, 61812, 65246, 69084, 73932, 78812, 97869, 104737, 110898, 117059, 118218, 130492, 177327, 195738, 209474, 221796, 234118, 236436, 293607, 314211, 351177, 354654, 391476, 418948, 468236, 587214, 628422, 702354, 709308, 942633, 1053531, 1174428, 1256844, 1404708, 1885266, 1990003, 2107062, 3770532, 3980006, 4214124, 5970009, 7960012, 11940018, 17910027, 23880036, 35820054, 71640108]

約数ペア:

[(1, 71640108), (2, 35820054), (3, 23880036), (4, 17910027), (6, 11940018), (9, 7960012), (12, 5970009), (17, 4214124), (18, 3980006), (19, 3770532), (34, 2107062), (36, 1990003), (38, 1885266), (51, 1404708), (57, 1256844), (61, 1174428), (68, 1053531), (76, 942633), (101, 709308), (102, 702354), (114, 628422), (122, 587214), (153, 468236), (171, 418948), (183, 391476), (202, 354654), (204, 351177), (228, 314211), (244, 293607), (303, 236436), (306, 234118), (323, 221796), (342, 209474), (366, 195738), (404, 177327), (549, 130492), (606, 118218), (612, 117059), (646, 110898), (684, 104737), (732, 97869), (909, 78812), (969, 73932), (1037, 69084), (1098, 65246), (1159, 61812), (1212, 59109), (1292, 55449), (1717, 41724), (1818, 39406), (1919, 37332), (1938, 36966), (2074, 34542), (2196, 32623), (2318, 30906), (2907, 24644), (3111, 23028), (3434, 20862), (3477, 20604), (3636, 19703), (3838, 18666), (3876, 18483), (4148, 17271), (4636, 15453), (5151, 13908), (5757, 12444), (5814, 12322), (6161, 11628), (6222, 11514), (6868, 10431), (6954, 10302), (7676, 9333)]