76827920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2383}}^1$

素因数の和:2440

約数の個数: 80

約数和(自身を含む): 198653952

約数和(自身を除く): 121826032

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2383, 2480, 3224, 4030, 4766, 6448, 8060, 9532, 11915, 16120, 19064, 23830, 30979, 32240, 38128, 47660, 61958, 73873, 95320, 123916, 147746, 154895, 190640, 247832, 295492, 309790, 369365, 495664, 590984, 619580, 738730, 960349, 1181968, 1239160, 1477460, 1920698, 2478320, 2954920, 3841396, 4801745, 5909840, 7682792, 9603490, 15365584, 19206980, 38413960, 76827920]

約数ペア:

[(1, 76827920), (2, 38413960), (4, 19206980), (5, 15365584), (8, 9603490), (10, 7682792), (13, 5909840), (16, 4801745), (20, 3841396), (26, 2954920), (31, 2478320), (40, 1920698), (52, 1477460), (62, 1239160), (65, 1181968), (80, 960349), (104, 738730), (124, 619580), (130, 590984), (155, 495664), (208, 369365), (248, 309790), (260, 295492), (310, 247832), (403, 190640), (496, 154895), (520, 147746), (620, 123916), (806, 95320), (1040, 73873), (1240, 61958), (1612, 47660), (2015, 38128), (2383, 32240), (2480, 30979), (3224, 23830), (4030, 19064), (4766, 16120), (6448, 11915), (8060, 9532)]