78440816520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{638977}}^1$

素因数の和:639036

約数の個数: 192

約数和(自身を含む): 287080035840

約数和(自身を除く): 208639219320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 31, 33, 36, 40, 44, 45, 55, 60, 62, 66, 72, 88, 90, 93, 99, 110, 120, 124, 132, 155, 165, 180, 186, 198, 220, 248, 264, 279, 310, 330, 341, 360, 372, 396, 440, 465, 495, 558, 620, 660, 682, 744, 792, 930, 990, 1023, 1116, 1240, 1320, 1364, 1395, 1705, 1860, 1980, 2046, 2232, 2728, 2790, 3069, 3410, 3720, 3960, 4092, 5115, 5580, 6138, 6820, 8184, 10230, 11160, 12276, 13640, 15345, 20460, 24552, 30690, 40920, 61380, 122760, 638977, 1277954, 1916931, 2555908, 3194885, 3833862, 5111816, 5750793, 6389770, 7028747, 7667724, 9584655, 11501586, 12779540, 14057494, 15335448, 19169310, 19808287, 21086241, 23003172, 25559080, 28114988, 28753965, 35143735, 38338620, 39616574, 42172482, 46006344, 56229976, 57507930, 59424861, 63258723, 70287470, 76677240, 79233148, 84344964, 99041435, 105431205, 115015860, 118849722, 126517446, 140574940, 158466296, 168689928, 178274583, 198082870, 210862410, 217891157, 230031720, 237699444, 253034892, 281149880, 297124305, 316293615, 356549166, 396165740, 421724820, 435782314, 475398888, 506069784, 594248610, 632587230, 653673471, 713098332, 792331480, 843449640, 871564628, 891372915, 1089455785, 1188497220, 1265174460, 1307346942, 1426196664, 1743129256, 1782745830, 1961020413, 2178911570, 2376994440, 2530348920, 2614693884, 3268367355, 3565491660, 3922040826, 4357823140, 5229387768, 6536734710, 7130983320, 7844081652, 8715646280, 9805102065, 13073469420, 15688163304, 19610204130, 26146938840, 39220408260, 78440816520]

約数ペア:

[(1, 78440816520), (2, 39220408260), (3, 26146938840), (4, 19610204130), (5, 15688163304), (6, 13073469420), (8, 9805102065), (9, 8715646280), (10, 7844081652), (11, 7130983320), (12, 6536734710), (15, 5229387768), (18, 4357823140), (20, 3922040826), (22, 3565491660), (24, 3268367355), (30, 2614693884), (31, 2530348920), (33, 2376994440), (36, 2178911570), (40, 1961020413), (44, 1782745830), (45, 1743129256), (55, 1426196664), (60, 1307346942), (62, 1265174460), (66, 1188497220), (72, 1089455785), (88, 891372915), (90, 871564628), (93, 843449640), (99, 792331480), (110, 713098332), (120, 653673471), (124, 632587230), (132, 594248610), (155, 506069784), (165, 475398888), (180, 435782314), (186, 421724820), (198, 396165740), (220, 356549166), (248, 316293615), (264, 297124305), (279, 281149880), (310, 253034892), (330, 237699444), (341, 230031720), (360, 217891157), (372, 210862410), (396, 198082870), (440, 178274583), (465, 168689928), (495, 158466296), (558, 140574940), (620, 126517446), (660, 118849722), (682, 115015860), (744, 105431205), (792, 99041435), (930, 84344964), (990, 79233148), (1023, 76677240), (1116, 70287470), (1240, 63258723), (1320, 59424861), (1364, 57507930), (1395, 56229976), (1705, 46006344), (1860, 42172482), (1980, 39616574), (2046, 38338620), (2232, 35143735), (2728, 28753965), (2790, 28114988), (3069, 25559080), (3410, 23003172), (3720, 21086241), (3960, 19808287), (4092, 19169310), (5115, 15335448), (5580, 14057494), (6138, 12779540), (6820, 11501586), (8184, 9584655), (10230, 7667724), (11160, 7028747), (12276, 6389770), (13640, 5750793), (15345, 5111816), (20460, 3833862), (24552, 3194885), (30690, 2555908), (40920, 1916931), (61380, 1277954), (122760, 638977)]