80078700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{20533}}^1$

素因数の和:20563

約数の個数: 72

約数和(自身を含む): 249529168

約数和(自身を除く): 169450468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 20533, 41066, 61599, 82132, 102665, 123198, 205330, 246396, 266929, 307995, 410660, 513325, 533858, 615990, 800787, 1026650, 1067716, 1231980, 1334645, 1539975, 1601574, 2053300, 2669290, 3079950, 3203148, 4003935, 5338580, 6159900, 6673225, 8007870, 13346450, 16015740, 20019675, 26692900, 40039350, 80078700]

約数ペア:

[(1, 80078700), (2, 40039350), (3, 26692900), (4, 20019675), (5, 16015740), (6, 13346450), (10, 8007870), (12, 6673225), (13, 6159900), (15, 5338580), (20, 4003935), (25, 3203148), (26, 3079950), (30, 2669290), (39, 2053300), (50, 1601574), (52, 1539975), (60, 1334645), (65, 1231980), (75, 1067716), (78, 1026650), (100, 800787), (130, 615990), (150, 533858), (156, 513325), (195, 410660), (260, 307995), (300, 266929), (325, 246396), (390, 205330), (650, 123198), (780, 102665), (975, 82132), (1300, 61599), (1950, 41066), (3900, 20533)]