71105220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1223}}^1$

素因数の和:1274

約数の個数: 144

約数和(自身を含む): 240589440

約数和(自身を除く): 169484220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 34, 36, 38, 45, 51, 57, 60, 68, 76, 85, 90, 95, 102, 114, 153, 170, 171, 180, 190, 204, 228, 255, 285, 306, 323, 340, 342, 380, 510, 570, 612, 646, 684, 765, 855, 969, 1020, 1140, 1223, 1292, 1530, 1615, 1710, 1938, 2446, 2907, 3060, 3230, 3420, 3669, 3876, 4845, 4892, 5814, 6115, 6460, 7338, 9690, 11007, 11628, 12230, 14535, 14676, 18345, 19380, 20791, 22014, 23237, 24460, 29070, 36690, 41582, 44028, 46474, 55035, 58140, 62373, 69711, 73380, 83164, 92948, 103955, 110070, 116185, 124746, 139422, 187119, 207910, 209133, 220140, 232370, 249492, 278844, 311865, 348555, 374238, 395029, 415820, 418266, 464740, 623730, 697110, 748476, 790058, 836532, 935595, 1045665, 1185087, 1247460, 1394220, 1580116, 1871190, 1975145, 2091330, 2370174, 3555261, 3742380, 3950290, 4182660, 4740348, 5925435, 7110522, 7900580, 11850870, 14221044, 17776305, 23701740, 35552610, 71105220]

約数ペア:

[(1, 71105220), (2, 35552610), (3, 23701740), (4, 17776305), (5, 14221044), (6, 11850870), (9, 7900580), (10, 7110522), (12, 5925435), (15, 4740348), (17, 4182660), (18, 3950290), (19, 3742380), (20, 3555261), (30, 2370174), (34, 2091330), (36, 1975145), (38, 1871190), (45, 1580116), (51, 1394220), (57, 1247460), (60, 1185087), (68, 1045665), (76, 935595), (85, 836532), (90, 790058), (95, 748476), (102, 697110), (114, 623730), (153, 464740), (170, 418266), (171, 415820), (180, 395029), (190, 374238), (204, 348555), (228, 311865), (255, 278844), (285, 249492), (306, 232370), (323, 220140), (340, 209133), (342, 207910), (380, 187119), (510, 139422), (570, 124746), (612, 116185), (646, 110070), (684, 103955), (765, 92948), (855, 83164), (969, 73380), (1020, 69711), (1140, 62373), (1223, 58140), (1292, 55035), (1530, 46474), (1615, 44028), (1710, 41582), (1938, 36690), (2446, 29070), (2907, 24460), (3060, 23237), (3230, 22014), (3420, 20791), (3669, 19380), (3876, 18345), (4845, 14676), (4892, 14535), (5814, 12230), (6115, 11628), (6460, 11007), (7338, 9690)]