319560780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{263}}^2$

素因数の和:556

約数の個数: 144

約数和(自身を含む): 1119815424

約数和(自身を除く): 800254644

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 132, 140, 154, 165, 210, 220, 231, 263, 308, 330, 385, 420, 462, 526, 660, 770, 789, 924, 1052, 1155, 1315, 1540, 1578, 1841, 2310, 2630, 2893, 3156, 3682, 3945, 4620, 5260, 5523, 5786, 7364, 7890, 8679, 9205, 11046, 11572, 14465, 15780, 17358, 18410, 20251, 22092, 27615, 28930, 34716, 36820, 40502, 43395, 55230, 57860, 60753, 69169, 81004, 86790, 101255, 110460, 121506, 138338, 173580, 202510, 207507, 243012, 276676, 303765, 345845, 405020, 415014, 484183, 607530, 691690, 760859, 830028, 968366, 1037535, 1215060, 1383380, 1452549, 1521718, 1936732, 2075070, 2282577, 2420915, 2905098, 3043436, 3804295, 4150140, 4565154, 4841830, 5326013, 5810196, 7262745, 7608590, 9130308, 9683660, 10652026, 11412885, 14525490, 15217180, 15978039, 21304052, 22825770, 26630065, 29050980, 31956078, 45651540, 53260130, 63912156, 79890195, 106520260, 159780390, 319560780]

約数ペア:

[(1, 319560780), (2, 159780390), (3, 106520260), (4, 79890195), (5, 63912156), (6, 53260130), (7, 45651540), (10, 31956078), (11, 29050980), (12, 26630065), (14, 22825770), (15, 21304052), (20, 15978039), (21, 15217180), (22, 14525490), (28, 11412885), (30, 10652026), (33, 9683660), (35, 9130308), (42, 7608590), (44, 7262745), (55, 5810196), (60, 5326013), (66, 4841830), (70, 4565154), (77, 4150140), (84, 3804295), (105, 3043436), (110, 2905098), (132, 2420915), (140, 2282577), (154, 2075070), (165, 1936732), (210, 1521718), (220, 1452549), (231, 1383380), (263, 1215060), (308, 1037535), (330, 968366), (385, 830028), (420, 760859), (462, 691690), (526, 607530), (660, 484183), (770, 415014), (789, 405020), (924, 345845), (1052, 303765), (1155, 276676), (1315, 243012), (1540, 207507), (1578, 202510), (1841, 173580), (2310, 138338), (2630, 121506), (2893, 110460), (3156, 101255), (3682, 86790), (3945, 81004), (4620, 69169), (5260, 60753), (5523, 57860), (5786, 55230), (7364, 43395), (7890, 40502), (8679, 36820), (9205, 34716), (11046, 28930), (11572, 27615), (14465, 22092), (15780, 20251), (17358, 18410)]