80077760

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{5107}}^1$

素因数の和:5138

約数の個数: 84

約数和(自身を含む): 221860872

約数和(自身を除く): 141783112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 2240, 3136, 3920, 5107, 7840, 10214, 15680, 20428, 25535, 35749, 40856, 51070, 71498, 81712, 102140, 142996, 163424, 178745, 204280, 250243, 285992, 326848, 357490, 408560, 500486, 571984, 714980, 817120, 1000972, 1143968, 1251215, 1429960, 1634240, 2001944, 2287936, 2502430, 2859920, 4003888, 5004860, 5719840, 8007776, 10009720, 11439680, 16015552, 20019440, 40038880, 80077760]

約数ペア:

[(1, 80077760), (2, 40038880), (4, 20019440), (5, 16015552), (7, 11439680), (8, 10009720), (10, 8007776), (14, 5719840), (16, 5004860), (20, 4003888), (28, 2859920), (32, 2502430), (35, 2287936), (40, 2001944), (49, 1634240), (56, 1429960), (64, 1251215), (70, 1143968), (80, 1000972), (98, 817120), (112, 714980), (140, 571984), (160, 500486), (196, 408560), (224, 357490), (245, 326848), (280, 285992), (320, 250243), (392, 204280), (448, 178745), (490, 163424), (560, 142996), (784, 102140), (980, 81712), (1120, 71498), (1568, 51070), (1960, 40856), (2240, 35749), (3136, 25535), (3920, 20428), (5107, 15680), (7840, 10214)]