17307920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1$

素因数の和:1048

約数の個数: 80

約数和(自身を含む): 47520768

約数和(自身を除く): 30212848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 997, 1085, 1240, 1736, 1994, 2170, 2480, 3472, 3988, 4340, 4985, 6979, 7976, 8680, 9970, 13958, 15952, 17360, 19940, 27916, 30907, 34895, 39880, 55832, 61814, 69790, 79760, 111664, 123628, 139580, 154535, 216349, 247256, 279160, 309070, 432698, 494512, 558320, 618140, 865396, 1081745, 1236280, 1730792, 2163490, 2472560, 3461584, 4326980, 8653960, 17307920]

約数ペア:

[(1, 17307920), (2, 8653960), (4, 4326980), (5, 3461584), (7, 2472560), (8, 2163490), (10, 1730792), (14, 1236280), (16, 1081745), (20, 865396), (28, 618140), (31, 558320), (35, 494512), (40, 432698), (56, 309070), (62, 279160), (70, 247256), (80, 216349), (112, 154535), (124, 139580), (140, 123628), (155, 111664), (217, 79760), (248, 69790), (280, 61814), (310, 55832), (434, 39880), (496, 34895), (560, 30907), (620, 27916), (868, 19940), (997, 17360), (1085, 15952), (1240, 13958), (1736, 9970), (1994, 8680), (2170, 7976), (2480, 6979), (3472, 4985), (3988, 4340)]