212379720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1901}}^1$

素因数の和:1948

約数の個数: 192

約数和(自身を含む): 780580800

約数和(自身を除く): 568201080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 49, 56, 57, 60, 70, 76, 84, 95, 98, 105, 114, 120, 133, 140, 147, 152, 168, 190, 196, 210, 228, 245, 266, 280, 285, 294, 380, 392, 399, 420, 456, 490, 532, 570, 588, 665, 735, 760, 798, 840, 931, 980, 1064, 1140, 1176, 1330, 1470, 1596, 1862, 1901, 1960, 1995, 2280, 2660, 2793, 2940, 3192, 3724, 3802, 3990, 4655, 5320, 5586, 5703, 5880, 7448, 7604, 7980, 9310, 9505, 11172, 11406, 13307, 13965, 15208, 15960, 18620, 19010, 22344, 22812, 26614, 27930, 28515, 36119, 37240, 38020, 39921, 45624, 53228, 55860, 57030, 66535, 72238, 76040, 79842, 93149, 106456, 108357, 111720, 114060, 133070, 144476, 159684, 180595, 186298, 199605, 216714, 228120, 252833, 266140, 279447, 288952, 319368, 361190, 372596, 399210, 433428, 465745, 505666, 532280, 541785, 558894, 722380, 745192, 758499, 798420, 866856, 931490, 1011332, 1083570, 1117788, 1264165, 1397235, 1444760, 1516998, 1596840, 1769831, 1862980, 2022664, 2167140, 2235576, 2528330, 2794470, 3033996, 3539662, 3725960, 3792495, 4334280, 5056660, 5309493, 5588940, 6067992, 7079324, 7584990, 8849155, 10113320, 10618986, 11177880, 14158648, 15169980, 17698310, 21237972, 26547465, 30339960, 35396620, 42475944, 53094930, 70793240, 106189860, 212379720]

約数ペア:

[(1, 212379720), (2, 106189860), (3, 70793240), (4, 53094930), (5, 42475944), (6, 35396620), (7, 30339960), (8, 26547465), (10, 21237972), (12, 17698310), (14, 15169980), (15, 14158648), (19, 11177880), (20, 10618986), (21, 10113320), (24, 8849155), (28, 7584990), (30, 7079324), (35, 6067992), (38, 5588940), (40, 5309493), (42, 5056660), (49, 4334280), (56, 3792495), (57, 3725960), (60, 3539662), (70, 3033996), (76, 2794470), (84, 2528330), (95, 2235576), (98, 2167140), (105, 2022664), (114, 1862980), (120, 1769831), (133, 1596840), (140, 1516998), (147, 1444760), (152, 1397235), (168, 1264165), (190, 1117788), (196, 1083570), (210, 1011332), (228, 931490), (245, 866856), (266, 798420), (280, 758499), (285, 745192), (294, 722380), (380, 558894), (392, 541785), (399, 532280), (420, 505666), (456, 465745), (490, 433428), (532, 399210), (570, 372596), (588, 361190), (665, 319368), (735, 288952), (760, 279447), (798, 266140), (840, 252833), (931, 228120), (980, 216714), (1064, 199605), (1140, 186298), (1176, 180595), (1330, 159684), (1470, 144476), (1596, 133070), (1862, 114060), (1901, 111720), (1960, 108357), (1995, 106456), (2280, 93149), (2660, 79842), (2793, 76040), (2940, 72238), (3192, 66535), (3724, 57030), (3802, 55860), (3990, 53228), (4655, 45624), (5320, 39921), (5586, 38020), (5703, 37240), (5880, 36119), (7448, 28515), (7604, 27930), (7980, 26614), (9310, 22812), (9505, 22344), (11172, 19010), (11406, 18620), (13307, 15960), (13965, 15208)]