86617720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{587}}^1$

素因数の和:653

約数の個数: 128

約数和(自身を含む): 243855360

約数和(自身を除く): 157237640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 31, 34, 35, 40, 56, 62, 68, 70, 85, 119, 124, 136, 140, 155, 170, 217, 238, 248, 280, 310, 340, 434, 476, 527, 587, 595, 620, 680, 868, 952, 1054, 1085, 1174, 1190, 1240, 1736, 2108, 2170, 2348, 2380, 2635, 2935, 3689, 4109, 4216, 4340, 4696, 4760, 5270, 5870, 7378, 8218, 8680, 9979, 10540, 11740, 14756, 16436, 18197, 18445, 19958, 20545, 21080, 23480, 29512, 32872, 36394, 36890, 39916, 41090, 49895, 69853, 72788, 73780, 79832, 82180, 90985, 99790, 127379, 139706, 145576, 147560, 164360, 181970, 199580, 254758, 279412, 309349, 349265, 363940, 399160, 509516, 558824, 618698, 636895, 698530, 727880, 1019032, 1237396, 1273790, 1397060, 1546745, 2165443, 2474792, 2547580, 2794120, 3093490, 4330886, 5095160, 6186980, 8661772, 10827215, 12373960, 17323544, 21654430, 43308860, 86617720]

約数ペア:

[(1, 86617720), (2, 43308860), (4, 21654430), (5, 17323544), (7, 12373960), (8, 10827215), (10, 8661772), (14, 6186980), (17, 5095160), (20, 4330886), (28, 3093490), (31, 2794120), (34, 2547580), (35, 2474792), (40, 2165443), (56, 1546745), (62, 1397060), (68, 1273790), (70, 1237396), (85, 1019032), (119, 727880), (124, 698530), (136, 636895), (140, 618698), (155, 558824), (170, 509516), (217, 399160), (238, 363940), (248, 349265), (280, 309349), (310, 279412), (340, 254758), (434, 199580), (476, 181970), (527, 164360), (587, 147560), (595, 145576), (620, 139706), (680, 127379), (868, 99790), (952, 90985), (1054, 82180), (1085, 79832), (1174, 73780), (1190, 72788), (1240, 69853), (1736, 49895), (2108, 41090), (2170, 39916), (2348, 36890), (2380, 36394), (2635, 32872), (2935, 29512), (3689, 23480), (4109, 21080), (4216, 20545), (4340, 19958), (4696, 18445), (4760, 18197), (5270, 16436), (5870, 14756), (7378, 11740), (8218, 10540), (8680, 9979)]