66290140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:236

約数の個数: 144

約数和(自身を含む): 179952192

約数和(自身を除く): 113662052

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 23, 28, 34, 35, 46, 49, 68, 70, 85, 92, 98, 115, 119, 140, 161, 170, 173, 196, 230, 238, 245, 322, 340, 346, 391, 460, 476, 490, 595, 644, 692, 782, 805, 833, 865, 980, 1127, 1190, 1211, 1564, 1610, 1666, 1730, 1955, 2254, 2380, 2422, 2737, 2941, 3220, 3332, 3460, 3910, 3979, 4165, 4508, 4844, 5474, 5635, 5882, 6055, 7820, 7958, 8330, 8477, 10948, 11270, 11764, 12110, 13685, 14705, 15916, 16660, 16954, 19159, 19895, 20587, 22540, 24220, 27370, 27853, 29410, 33908, 38318, 39790, 41174, 42385, 54740, 55706, 58820, 67643, 76636, 79580, 82348, 84770, 95795, 102935, 111412, 135286, 139265, 144109, 169540, 191590, 194971, 205870, 270572, 278530, 288218, 338215, 383180, 389942, 411740, 473501, 557060, 576436, 676430, 720545, 779884, 947002, 974855, 1352860, 1441090, 1894004, 1949710, 2367505, 2882180, 3314507, 3899420, 4735010, 6629014, 9470020, 13258028, 16572535, 33145070, 66290140]

約数ペア:

[(1, 66290140), (2, 33145070), (4, 16572535), (5, 13258028), (7, 9470020), (10, 6629014), (14, 4735010), (17, 3899420), (20, 3314507), (23, 2882180), (28, 2367505), (34, 1949710), (35, 1894004), (46, 1441090), (49, 1352860), (68, 974855), (70, 947002), (85, 779884), (92, 720545), (98, 676430), (115, 576436), (119, 557060), (140, 473501), (161, 411740), (170, 389942), (173, 383180), (196, 338215), (230, 288218), (238, 278530), (245, 270572), (322, 205870), (340, 194971), (346, 191590), (391, 169540), (460, 144109), (476, 139265), (490, 135286), (595, 111412), (644, 102935), (692, 95795), (782, 84770), (805, 82348), (833, 79580), (865, 76636), (980, 67643), (1127, 58820), (1190, 55706), (1211, 54740), (1564, 42385), (1610, 41174), (1666, 39790), (1730, 38318), (1955, 33908), (2254, 29410), (2380, 27853), (2422, 27370), (2737, 24220), (2941, 22540), (3220, 20587), (3332, 19895), (3460, 19159), (3910, 16954), (3979, 16660), (4165, 15916), (4508, 14705), (4844, 13685), (5474, 12110), (5635, 11764), (5882, 11270), (6055, 10948), (7820, 8477), (7958, 8330)]