78781920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{23447}}^1$

素因数の和:23472

約数の個数: 96

約数和(自身を含む): 283627008

約数和(自身を除く): 204845088

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 23447, 46894, 70341, 93788, 117235, 140682, 164129, 187576, 234470, 281364, 328258, 351705, 375152, 468940, 492387, 562728, 656516, 703410, 750304, 820645, 937880, 984774, 1125456, 1313032, 1406820, 1641290, 1875760, 1969548, 2250912, 2461935, 2626064, 2813640, 3282580, 3751520, 3939096, 4923870, 5252128, 5627280, 6565160, 7878192, 9847740, 11254560, 13130320, 15756384, 19695480, 26260640, 39390960, 78781920]

約数ペア:

[(1, 78781920), (2, 39390960), (3, 26260640), (4, 19695480), (5, 15756384), (6, 13130320), (7, 11254560), (8, 9847740), (10, 7878192), (12, 6565160), (14, 5627280), (15, 5252128), (16, 4923870), (20, 3939096), (21, 3751520), (24, 3282580), (28, 2813640), (30, 2626064), (32, 2461935), (35, 2250912), (40, 1969548), (42, 1875760), (48, 1641290), (56, 1406820), (60, 1313032), (70, 1125456), (80, 984774), (84, 937880), (96, 820645), (105, 750304), (112, 703410), (120, 656516), (140, 562728), (160, 492387), (168, 468940), (210, 375152), (224, 351705), (240, 328258), (280, 281364), (336, 234470), (420, 187576), (480, 164129), (560, 140682), (672, 117235), (840, 93788), (1120, 70341), (1680, 46894), (3360, 23447)]