291256290

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^3\times {\mathrm{491}}^1$

素因数の和:546

約数の個数: 128

約数和(自身を含む): 843091200

約数和(自身を除く): 551834910

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 117, 130, 135, 169, 195, 234, 270, 338, 351, 390, 491, 507, 585, 702, 845, 982, 1014, 1170, 1473, 1521, 1690, 1755, 2197, 2455, 2535, 2946, 3042, 3510, 4394, 4419, 4563, 4910, 5070, 6383, 6591, 7365, 7605, 8838, 9126, 10985, 12766, 13182, 13257, 14730, 15210, 19149, 19773, 21970, 22095, 22815, 26514, 31915, 32955, 38298, 39546, 44190, 45630, 57447, 59319, 63830, 65910, 66285, 82979, 95745, 98865, 114894, 118638, 132570, 165958, 172341, 191490, 197730, 248937, 287235, 296595, 344682, 414895, 497874, 574470, 593190, 746811, 829790, 861705, 1078727, 1244685, 1493622, 1723410, 2157454, 2240433, 2489370, 3236181, 3734055, 4480866, 5393635, 6472362, 7468110, 9708543, 10787270, 11202165, 16180905, 19417086, 22404330, 29125629, 32361810, 48542715, 58251258, 97085430, 145628145, 291256290]

約数ペア:

[(1, 291256290), (2, 145628145), (3, 97085430), (5, 58251258), (6, 48542715), (9, 32361810), (10, 29125629), (13, 22404330), (15, 19417086), (18, 16180905), (26, 11202165), (27, 10787270), (30, 9708543), (39, 7468110), (45, 6472362), (54, 5393635), (65, 4480866), (78, 3734055), (90, 3236181), (117, 2489370), (130, 2240433), (135, 2157454), (169, 1723410), (195, 1493622), (234, 1244685), (270, 1078727), (338, 861705), (351, 829790), (390, 746811), (491, 593190), (507, 574470), (585, 497874), (702, 414895), (845, 344682), (982, 296595), (1014, 287235), (1170, 248937), (1473, 197730), (1521, 191490), (1690, 172341), (1755, 165958), (2197, 132570), (2455, 118638), (2535, 114894), (2946, 98865), (3042, 95745), (3510, 82979), (4394, 66285), (4419, 65910), (4563, 63830), (4910, 59319), (5070, 57447), (6383, 45630), (6591, 44190), (7365, 39546), (7605, 38298), (8838, 32955), (9126, 31915), (10985, 26514), (12766, 22815), (13182, 22095), (13257, 21970), (14730, 19773), (15210, 19149)]