138697720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1$

素因数の和:126

約数の個数: 192

約数和(自身を含む): 401356800

約数和(自身を除く): 262659080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 29, 31, 35, 38, 40, 56, 58, 62, 70, 76, 95, 116, 124, 133, 140, 145, 152, 155, 190, 203, 217, 232, 248, 266, 280, 290, 310, 380, 406, 434, 532, 551, 580, 589, 620, 665, 760, 812, 841, 868, 899, 1015, 1064, 1085, 1102, 1160, 1178, 1240, 1330, 1624, 1682, 1736, 1798, 2030, 2170, 2204, 2356, 2660, 2755, 2945, 3364, 3596, 3857, 4060, 4123, 4205, 4340, 4408, 4495, 4712, 5320, 5510, 5887, 5890, 6293, 6728, 7192, 7714, 8120, 8246, 8410, 8680, 8990, 11020, 11774, 11780, 12586, 15428, 15979, 16492, 16820, 17081, 17980, 19285, 20615, 22040, 23548, 23560, 25172, 26071, 29435, 30856, 31465, 31958, 32984, 33640, 34162, 35960, 38570, 41230, 47096, 50344, 52142, 58870, 62930, 63916, 68324, 77140, 79895, 82460, 85405, 104284, 111853, 117740, 119567, 125860, 127832, 130355, 136648, 154280, 159790, 164920, 170810, 182497, 208568, 223706, 235480, 239134, 251720, 260710, 319580, 341620, 364994, 447412, 478268, 495349, 521420, 559265, 597835, 639160, 683240, 729988, 894824, 912485, 956536, 990698, 1042840, 1118530, 1195670, 1459976, 1824970, 1981396, 2237060, 2391340, 2476745, 3467443, 3649940, 3962792, 4474120, 4782680, 4953490, 6934886, 7299880, 9906980, 13869772, 17337215, 19813960, 27739544, 34674430, 69348860, 138697720]

約数ペア:

[(1, 138697720), (2, 69348860), (4, 34674430), (5, 27739544), (7, 19813960), (8, 17337215), (10, 13869772), (14, 9906980), (19, 7299880), (20, 6934886), (28, 4953490), (29, 4782680), (31, 4474120), (35, 3962792), (38, 3649940), (40, 3467443), (56, 2476745), (58, 2391340), (62, 2237060), (70, 1981396), (76, 1824970), (95, 1459976), (116, 1195670), (124, 1118530), (133, 1042840), (140, 990698), (145, 956536), (152, 912485), (155, 894824), (190, 729988), (203, 683240), (217, 639160), (232, 597835), (248, 559265), (266, 521420), (280, 495349), (290, 478268), (310, 447412), (380, 364994), (406, 341620), (434, 319580), (532, 260710), (551, 251720), (580, 239134), (589, 235480), (620, 223706), (665, 208568), (760, 182497), (812, 170810), (841, 164920), (868, 159790), (899, 154280), (1015, 136648), (1064, 130355), (1085, 127832), (1102, 125860), (1160, 119567), (1178, 117740), (1240, 111853), (1330, 104284), (1624, 85405), (1682, 82460), (1736, 79895), (1798, 77140), (2030, 68324), (2170, 63916), (2204, 62930), (2356, 58870), (2660, 52142), (2755, 50344), (2945, 47096), (3364, 41230), (3596, 38570), (3857, 35960), (4060, 34162), (4123, 33640), (4205, 32984), (4340, 31958), (4408, 31465), (4495, 30856), (4712, 29435), (5320, 26071), (5510, 25172), (5887, 23560), (5890, 23548), (6293, 22040), (6728, 20615), (7192, 19285), (7714, 17980), (8120, 17081), (8246, 16820), (8410, 16492), (8680, 15979), (8990, 15428), (11020, 12586), (11774, 11780)]