1221509940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{15227}}^1$

素因数の和:15437

約数の個数: 96

約数和(自身を含む): 3929554944

約数和(自身を除く): 2708045004

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 191, 210, 382, 420, 573, 764, 955, 1146, 1337, 1910, 2292, 2674, 2865, 3820, 4011, 5348, 5730, 6685, 8022, 11460, 13370, 15227, 16044, 20055, 26740, 30454, 40110, 45681, 60908, 76135, 80220, 91362, 106589, 152270, 182724, 213178, 228405, 304540, 319767, 426356, 456810, 532945, 639534, 913620, 1065890, 1279068, 1598835, 2131780, 2908357, 3197670, 5816714, 6395340, 8725071, 11633428, 14541785, 17450142, 20358499, 29083570, 34900284, 40716998, 43625355, 58167140, 61075497, 81433996, 87250710, 101792495, 122150994, 174501420, 203584990, 244301988, 305377485, 407169980, 610754970, 1221509940]

約数ペア:

[(1, 1221509940), (2, 610754970), (3, 407169980), (4, 305377485), (5, 244301988), (6, 203584990), (7, 174501420), (10, 122150994), (12, 101792495), (14, 87250710), (15, 81433996), (20, 61075497), (21, 58167140), (28, 43625355), (30, 40716998), (35, 34900284), (42, 29083570), (60, 20358499), (70, 17450142), (84, 14541785), (105, 11633428), (140, 8725071), (191, 6395340), (210, 5816714), (382, 3197670), (420, 2908357), (573, 2131780), (764, 1598835), (955, 1279068), (1146, 1065890), (1337, 913620), (1910, 639534), (2292, 532945), (2674, 456810), (2865, 426356), (3820, 319767), (4011, 304540), (5348, 228405), (5730, 213178), (6685, 182724), (8022, 152270), (11460, 106589), (13370, 91362), (15227, 80220), (16044, 76135), (20055, 60908), (26740, 45681), (30454, 40110)]