15639660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:320

約数の個数: 144

約数和(自身を含む): 53071200

約数和(自身を除く): 37431540

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, 269, 285, 306, 323, 340, 342, 380, 510, 538, 570, 612, 646, 684, 765, 807, 855, 969, 1020, 1076, 1140, 1292, 1345, 1530, 1614, 1615, 1710, 1938, 2421, 2690, 2907, 3060, 3228, 3230, 3420, 3876, 4035, 4573, 4842, 4845, 5111, 5380, 5814, 6460, 8070, 9146, 9684, 9690, 10222, 11628, 12105, 13719, 14535, 15333, 16140, 18292, 19380, 20444, 22865, 24210, 25555, 27438, 29070, 30666, 41157, 45730, 45999, 48420, 51110, 54876, 58140, 61332, 68595, 76665, 82314, 86887, 91460, 91998, 102220, 137190, 153330, 164628, 173774, 183996, 205785, 229995, 260661, 274380, 306660, 347548, 411570, 434435, 459990, 521322, 781983, 823140, 868870, 919980, 1042644, 1303305, 1563966, 1737740, 2606610, 3127932, 3909915, 5213220, 7819830, 15639660]

約数ペア:

[(1, 15639660), (2, 7819830), (3, 5213220), (4, 3909915), (5, 3127932), (6, 2606610), (9, 1737740), (10, 1563966), (12, 1303305), (15, 1042644), (17, 919980), (18, 868870), (19, 823140), (20, 781983), (30, 521322), (34, 459990), (36, 434435), (38, 411570), (45, 347548), (51, 306660), (57, 274380), (60, 260661), (68, 229995), (76, 205785), (85, 183996), (90, 173774), (95, 164628), (102, 153330), (114, 137190), (153, 102220), (170, 91998), (171, 91460), (180, 86887), (190, 82314), (204, 76665), (228, 68595), (255, 61332), (269, 58140), (285, 54876), (306, 51110), (323, 48420), (340, 45999), (342, 45730), (380, 41157), (510, 30666), (538, 29070), (570, 27438), (612, 25555), (646, 24210), (684, 22865), (765, 20444), (807, 19380), (855, 18292), (969, 16140), (1020, 15333), (1076, 14535), (1140, 13719), (1292, 12105), (1345, 11628), (1530, 10222), (1614, 9690), (1615, 9684), (1710, 9146), (1938, 8070), (2421, 6460), (2690, 5814), (2907, 5380), (3060, 5111), (3228, 4845), (3230, 4842), (3420, 4573), (3876, 4035)]