321957240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{1277}}^1$

素因数の和:1493

約数の個数: 128

約数和(自身を含む): 1060024320

約数和(自身を除く): 738067080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 191, 220, 264, 330, 382, 440, 573, 660, 764, 955, 1146, 1277, 1320, 1528, 1910, 2101, 2292, 2554, 2865, 3820, 3831, 4202, 4584, 5108, 5730, 6303, 6385, 7640, 7662, 8404, 10216, 10505, 11460, 12606, 12770, 14047, 15324, 16808, 19155, 21010, 22920, 25212, 25540, 28094, 30648, 31515, 38310, 42020, 42141, 50424, 51080, 56188, 63030, 70235, 76620, 84040, 84282, 112376, 126060, 140470, 153240, 168564, 210705, 243907, 252120, 280940, 337128, 421410, 487814, 561880, 731721, 842820, 975628, 1219535, 1463442, 1685640, 1951256, 2439070, 2682977, 2926884, 3658605, 4878140, 5365954, 5853768, 7317210, 8048931, 9756280, 10731908, 13414885, 14634420, 16097862, 21463816, 26829770, 29268840, 32195724, 40244655, 53659540, 64391448, 80489310, 107319080, 160978620, 321957240]

約数ペア:

[(1, 321957240), (2, 160978620), (3, 107319080), (4, 80489310), (5, 64391448), (6, 53659540), (8, 40244655), (10, 32195724), (11, 29268840), (12, 26829770), (15, 21463816), (20, 16097862), (22, 14634420), (24, 13414885), (30, 10731908), (33, 9756280), (40, 8048931), (44, 7317210), (55, 5853768), (60, 5365954), (66, 4878140), (88, 3658605), (110, 2926884), (120, 2682977), (132, 2439070), (165, 1951256), (191, 1685640), (220, 1463442), (264, 1219535), (330, 975628), (382, 842820), (440, 731721), (573, 561880), (660, 487814), (764, 421410), (955, 337128), (1146, 280940), (1277, 252120), (1320, 243907), (1528, 210705), (1910, 168564), (2101, 153240), (2292, 140470), (2554, 126060), (2865, 112376), (3820, 84282), (3831, 84040), (4202, 76620), (4584, 70235), (5108, 63030), (5730, 56188), (6303, 51080), (6385, 50424), (7640, 42141), (7662, 42020), (8404, 38310), (10216, 31515), (10505, 30648), (11460, 28094), (12606, 25540), (12770, 25212), (14047, 22920), (15324, 21010), (16808, 19155)]