491466720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1549}}^1$

素因数の和:2228

約数の個数: 96

約数和(自身を含む): 1551463200

約数和(自身を除く): 1059996480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 661, 1322, 1549, 1983, 2644, 3098, 3305, 3966, 4647, 5288, 6196, 6610, 7745, 7932, 9294, 9915, 10576, 12392, 13220, 15490, 15864, 18588, 19830, 21152, 23235, 24784, 26440, 30980, 31728, 37176, 39660, 46470, 49568, 52880, 61960, 63456, 74352, 79320, 92940, 105760, 123920, 148704, 158640, 185880, 247840, 317280, 371760, 743520, 1023889, 2047778, 3071667, 4095556, 5119445, 6143334, 8191112, 10238890, 12286668, 15358335, 16382224, 20477780, 24573336, 30716670, 32764448, 40955560, 49146672, 61433340, 81911120, 98293344, 122866680, 163822240, 245733360, 491466720]

約数ペア:

[(1, 491466720), (2, 245733360), (3, 163822240), (4, 122866680), (5, 98293344), (6, 81911120), (8, 61433340), (10, 49146672), (12, 40955560), (15, 32764448), (16, 30716670), (20, 24573336), (24, 20477780), (30, 16382224), (32, 15358335), (40, 12286668), (48, 10238890), (60, 8191112), (80, 6143334), (96, 5119445), (120, 4095556), (160, 3071667), (240, 2047778), (480, 1023889), (661, 743520), (1322, 371760), (1549, 317280), (1983, 247840), (2644, 185880), (3098, 158640), (3305, 148704), (3966, 123920), (4647, 105760), (5288, 92940), (6196, 79320), (6610, 74352), (7745, 63456), (7932, 61960), (9294, 52880), (9915, 49568), (10576, 46470), (12392, 39660), (13220, 37176), (15490, 31728), (15864, 30980), (18588, 26440), (19830, 24784), (21152, 23235)]