7647990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:557

約数の個数: 64

約数和(自身を含む): 21288960

約数和(自身を除く): 13640970

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 79, 105, 158, 210, 237, 395, 461, 474, 553, 790, 922, 1106, 1185, 1383, 1659, 2305, 2370, 2765, 2766, 3227, 3318, 4610, 5530, 6454, 6915, 8295, 9681, 13830, 16135, 16590, 19362, 32270, 36419, 48405, 72838, 96810, 109257, 182095, 218514, 254933, 364190, 509866, 546285, 764799, 1092570, 1274665, 1529598, 2549330, 3823995, 7647990]

約数ペア:

[(1, 7647990), (2, 3823995), (3, 2549330), (5, 1529598), (6, 1274665), (7, 1092570), (10, 764799), (14, 546285), (15, 509866), (21, 364190), (30, 254933), (35, 218514), (42, 182095), (70, 109257), (79, 96810), (105, 72838), (158, 48405), (210, 36419), (237, 32270), (395, 19362), (461, 16590), (474, 16135), (553, 13830), (790, 9681), (922, 8295), (1106, 6915), (1185, 6454), (1383, 5530), (1659, 4610), (2305, 3318), (2370, 3227), (2765, 2766)]