68578980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1399}}^1$

素因数の和:1473

約数の個数: 96

約数和(自身を含む): 206976000

約数和(自身を除く): 138397020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 43, 57, 60, 76, 86, 95, 114, 129, 172, 190, 215, 228, 258, 285, 380, 430, 516, 570, 645, 817, 860, 1140, 1290, 1399, 1634, 2451, 2580, 2798, 3268, 4085, 4197, 4902, 5596, 6995, 8170, 8394, 9804, 12255, 13990, 16340, 16788, 20985, 24510, 26581, 27980, 41970, 49020, 53162, 60157, 79743, 83940, 106324, 120314, 132905, 159486, 180471, 240628, 265810, 300785, 318972, 360942, 398715, 531620, 601570, 721884, 797430, 902355, 1142983, 1203140, 1594860, 1804710, 2285966, 3428949, 3609420, 4571932, 5714915, 6857898, 11429830, 13715796, 17144745, 22859660, 34289490, 68578980]

約数ペア:

[(1, 68578980), (2, 34289490), (3, 22859660), (4, 17144745), (5, 13715796), (6, 11429830), (10, 6857898), (12, 5714915), (15, 4571932), (19, 3609420), (20, 3428949), (30, 2285966), (38, 1804710), (43, 1594860), (57, 1203140), (60, 1142983), (76, 902355), (86, 797430), (95, 721884), (114, 601570), (129, 531620), (172, 398715), (190, 360942), (215, 318972), (228, 300785), (258, 265810), (285, 240628), (380, 180471), (430, 159486), (516, 132905), (570, 120314), (645, 106324), (817, 83940), (860, 79743), (1140, 60157), (1290, 53162), (1399, 49020), (1634, 41970), (2451, 27980), (2580, 26581), (2798, 24510), (3268, 20985), (4085, 16788), (4197, 16340), (4902, 13990), (5596, 12255), (6995, 9804), (8170, 8394)]