42128320

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:103

約数の個数: 168

約数和(自身を含む): 117134640

約数和(自身を除く): 75006320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 41, 52, 64, 65, 76, 80, 82, 95, 104, 130, 152, 160, 164, 169, 190, 205, 208, 247, 260, 304, 320, 328, 338, 380, 410, 416, 494, 520, 533, 608, 656, 676, 760, 779, 820, 832, 845, 988, 1040, 1066, 1216, 1235, 1312, 1352, 1520, 1558, 1640, 1690, 1976, 2080, 2132, 2470, 2624, 2665, 2704, 3040, 3116, 3211, 3280, 3380, 3895, 3952, 4160, 4264, 4940, 5330, 5408, 6080, 6232, 6422, 6560, 6760, 6929, 7790, 7904, 8528, 9880, 10127, 10660, 10816, 12464, 12844, 13120, 13520, 13858, 15580, 15808, 16055, 17056, 19760, 20254, 21320, 24928, 25688, 27040, 27716, 31160, 32110, 34112, 34645, 39520, 40508, 42640, 49856, 50635, 51376, 54080, 55432, 62320, 64220, 69290, 79040, 81016, 85280, 101270, 102752, 110864, 124640, 128440, 131651, 138580, 162032, 170560, 202540, 205504, 221728, 249280, 256880, 263302, 277160, 324064, 405080, 443456, 513760, 526604, 554320, 648128, 658255, 810160, 1027520, 1053208, 1108640, 1316510, 1620320, 2106416, 2217280, 2633020, 3240640, 4212832, 5266040, 8425664, 10532080, 21064160, 42128320]

約数ペア:

[(1, 42128320), (2, 21064160), (4, 10532080), (5, 8425664), (8, 5266040), (10, 4212832), (13, 3240640), (16, 2633020), (19, 2217280), (20, 2106416), (26, 1620320), (32, 1316510), (38, 1108640), (40, 1053208), (41, 1027520), (52, 810160), (64, 658255), (65, 648128), (76, 554320), (80, 526604), (82, 513760), (95, 443456), (104, 405080), (130, 324064), (152, 277160), (160, 263302), (164, 256880), (169, 249280), (190, 221728), (205, 205504), (208, 202540), (247, 170560), (260, 162032), (304, 138580), (320, 131651), (328, 128440), (338, 124640), (380, 110864), (410, 102752), (416, 101270), (494, 85280), (520, 81016), (533, 79040), (608, 69290), (656, 64220), (676, 62320), (760, 55432), (779, 54080), (820, 51376), (832, 50635), (845, 49856), (988, 42640), (1040, 40508), (1066, 39520), (1216, 34645), (1235, 34112), (1312, 32110), (1352, 31160), (1520, 27716), (1558, 27040), (1640, 25688), (1690, 24928), (1976, 21320), (2080, 20254), (2132, 19760), (2470, 17056), (2624, 16055), (2665, 15808), (2704, 15580), (3040, 13858), (3116, 13520), (3211, 13120), (3280, 12844), (3380, 12464), (3895, 10816), (3952, 10660), (4160, 10127), (4264, 9880), (4940, 8528), (5330, 7904), (5408, 7790), (6080, 6929), (6232, 6760), (6422, 6560)]