248500980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{389}}^1$

素因数の和:440

約数の個数: 288

約数和(自身を含む): 959212800

約数和(自身を除く): 710711820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 52, 54, 60, 63, 65, 70, 78, 84, 90, 91, 105, 108, 117, 126, 130, 135, 140, 156, 169, 180, 182, 189, 195, 210, 234, 252, 260, 270, 273, 315, 338, 351, 364, 378, 389, 390, 420, 455, 468, 507, 540, 546, 585, 630, 676, 702, 756, 778, 780, 819, 845, 910, 945, 1014, 1092, 1167, 1170, 1183, 1260, 1365, 1404, 1521, 1556, 1638, 1690, 1755, 1820, 1890, 1945, 2028, 2334, 2340, 2366, 2457, 2535, 2723, 2730, 3042, 3276, 3380, 3501, 3510, 3549, 3780, 3890, 4095, 4563, 4668, 4732, 4914, 5057, 5070, 5446, 5460, 5835, 5915, 6084, 7002, 7020, 7098, 7605, 7780, 8169, 8190, 9126, 9828, 10114, 10140, 10503, 10647, 10892, 11670, 11830, 12285, 13615, 14004, 14196, 15171, 15210, 16338, 16380, 17505, 17745, 18252, 20228, 21006, 21294, 22815, 23340, 23660, 24507, 24570, 25285, 27230, 30342, 30420, 31941, 32676, 35010, 35399, 35490, 40845, 42012, 42588, 45513, 45630, 49014, 49140, 50570, 52515, 53235, 54460, 60684, 63882, 65741, 70020, 70798, 70980, 73521, 75855, 81690, 91026, 91260, 98028, 101140, 105030, 106197, 106470, 122535, 127764, 131482, 136539, 141596, 147042, 151710, 159705, 163380, 176995, 182052, 197223, 210060, 212394, 212940, 227565, 245070, 262964, 273078, 294084, 303420, 318591, 319410, 328705, 353990, 367605, 394446, 424788, 455130, 460187, 490140, 530985, 546156, 591669, 637182, 638820, 657410, 682695, 707980, 735210, 788892, 910260, 920374, 955773, 986115, 1061970, 1183338, 1274364, 1314820, 1365390, 1380561, 1470420, 1592955, 1775007, 1840748, 1911546, 1972230, 2123940, 2300935, 2366676, 2730780, 2761122, 2958345, 3185910, 3550014, 3823092, 3944460, 4141683, 4601870, 4778865, 5522244, 5916690, 6371820, 6902805, 7100028, 8283366, 8875035, 9203740, 9557730, 11833380, 12425049, 13805610, 16566732, 17750070, 19115460, 20708415, 24850098, 27611220, 35500140, 41416830, 49700196, 62125245, 82833660, 124250490, 248500980]

約数ペア:

[(1, 248500980), (2, 124250490), (3, 82833660), (4, 62125245), (5, 49700196), (6, 41416830), (7, 35500140), (9, 27611220), (10, 24850098), (12, 20708415), (13, 19115460), (14, 17750070), (15, 16566732), (18, 13805610), (20, 12425049), (21, 11833380), (26, 9557730), (27, 9203740), (28, 8875035), (30, 8283366), (35, 7100028), (36, 6902805), (39, 6371820), (42, 5916690), (45, 5522244), (52, 4778865), (54, 4601870), (60, 4141683), (63, 3944460), (65, 3823092), (70, 3550014), (78, 3185910), (84, 2958345), (90, 2761122), (91, 2730780), (105, 2366676), (108, 2300935), (117, 2123940), (126, 1972230), (130, 1911546), (135, 1840748), (140, 1775007), (156, 1592955), (169, 1470420), (180, 1380561), (182, 1365390), (189, 1314820), (195, 1274364), (210, 1183338), (234, 1061970), (252, 986115), (260, 955773), (270, 920374), (273, 910260), (315, 788892), (338, 735210), (351, 707980), (364, 682695), (378, 657410), (389, 638820), (390, 637182), (420, 591669), (455, 546156), (468, 530985), (507, 490140), (540, 460187), (546, 455130), (585, 424788), (630, 394446), (676, 367605), (702, 353990), (756, 328705), (778, 319410), (780, 318591), (819, 303420), (845, 294084), (910, 273078), (945, 262964), (1014, 245070), (1092, 227565), (1167, 212940), (1170, 212394), (1183, 210060), (1260, 197223), (1365, 182052), (1404, 176995), (1521, 163380), (1556, 159705), (1638, 151710), (1690, 147042), (1755, 141596), (1820, 136539), (1890, 131482), (1945, 127764), (2028, 122535), (2334, 106470), (2340, 106197), (2366, 105030), (2457, 101140), (2535, 98028), (2723, 91260), (2730, 91026), (3042, 81690), (3276, 75855), (3380, 73521), (3501, 70980), (3510, 70798), (3549, 70020), (3780, 65741), (3890, 63882), (4095, 60684), (4563, 54460), (4668, 53235), (4732, 52515), (4914, 50570), (5057, 49140), (5070, 49014), (5446, 45630), (5460, 45513), (5835, 42588), (5915, 42012), (6084, 40845), (7002, 35490), (7020, 35399), (7098, 35010), (7605, 32676), (7780, 31941), (8169, 30420), (8190, 30342), (9126, 27230), (9828, 25285), (10114, 24570), (10140, 24507), (10503, 23660), (10647, 23340), (10892, 22815), (11670, 21294), (11830, 21006), (12285, 20228), (13615, 18252), (14004, 17745), (14196, 17505), (15171, 16380), (15210, 16338)]