217983960

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3541}}^1$

素因数の和:3583

約数の個数: 160

約数和(自身を含む): 771447600

約数和(自身を除く): 553463640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 81, 90, 95, 108, 114, 120, 135, 152, 162, 171, 180, 190, 216, 228, 270, 285, 324, 342, 360, 380, 405, 456, 513, 540, 570, 648, 684, 760, 810, 855, 1026, 1080, 1140, 1368, 1539, 1620, 1710, 2052, 2280, 2565, 3078, 3240, 3420, 3541, 4104, 5130, 6156, 6840, 7082, 7695, 10260, 10623, 12312, 14164, 15390, 17705, 20520, 21246, 28328, 30780, 31869, 35410, 42492, 53115, 61560, 63738, 67279, 70820, 84984, 95607, 106230, 127476, 134558, 141640, 159345, 191214, 201837, 212460, 254952, 269116, 286821, 318690, 336395, 382428, 403674, 424920, 478035, 538232, 573642, 605511, 637380, 672790, 764856, 807348, 956070, 1009185, 1147284, 1211022, 1274760, 1345580, 1434105, 1614696, 1816533, 1912140, 2018370, 2294568, 2422044, 2691160, 2868210, 3027555, 3633066, 3824280, 4036740, 4844088, 5449599, 5736420, 6055110, 7266132, 8073480, 9082665, 10899198, 11472840, 12110220, 14532264, 18165330, 21798396, 24220440, 27247995, 36330660, 43596792, 54495990, 72661320, 108991980, 217983960]

約数ペア:

[(1, 217983960), (2, 108991980), (3, 72661320), (4, 54495990), (5, 43596792), (6, 36330660), (8, 27247995), (9, 24220440), (10, 21798396), (12, 18165330), (15, 14532264), (18, 12110220), (19, 11472840), (20, 10899198), (24, 9082665), (27, 8073480), (30, 7266132), (36, 6055110), (38, 5736420), (40, 5449599), (45, 4844088), (54, 4036740), (57, 3824280), (60, 3633066), (72, 3027555), (76, 2868210), (81, 2691160), (90, 2422044), (95, 2294568), (108, 2018370), (114, 1912140), (120, 1816533), (135, 1614696), (152, 1434105), (162, 1345580), (171, 1274760), (180, 1211022), (190, 1147284), (216, 1009185), (228, 956070), (270, 807348), (285, 764856), (324, 672790), (342, 637380), (360, 605511), (380, 573642), (405, 538232), (456, 478035), (513, 424920), (540, 403674), (570, 382428), (648, 336395), (684, 318690), (760, 286821), (810, 269116), (855, 254952), (1026, 212460), (1080, 201837), (1140, 191214), (1368, 159345), (1539, 141640), (1620, 134558), (1710, 127476), (2052, 106230), (2280, 95607), (2565, 84984), (3078, 70820), (3240, 67279), (3420, 63738), (3541, 61560), (4104, 53115), (5130, 42492), (6156, 35410), (6840, 31869), (7082, 30780), (7695, 28328), (10260, 21246), (10623, 20520), (12312, 17705), (14164, 15390)]