4478721280

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{331}}^1$

素因数の和:425

約数の個数: 216

約数和(自身を含む): 12129439392

約数和(自身を除く): 7650718112

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 256, 310, 320, 331, 341, 352, 440, 496, 620, 640, 662, 682, 704, 880, 961, 992, 1240, 1280, 1324, 1364, 1408, 1655, 1705, 1760, 1922, 1984, 2480, 2648, 2728, 2816, 3310, 3410, 3520, 3641, 3844, 3968, 4805, 4960, 5296, 5456, 6620, 6820, 7040, 7282, 7688, 7936, 9610, 9920, 10261, 10571, 10592, 10912, 13240, 13640, 14080, 14564, 15376, 18205, 19220, 19840, 20522, 21142, 21184, 21824, 26480, 27280, 29128, 30752, 36410, 38440, 39680, 41044, 42284, 42368, 43648, 51305, 52855, 52960, 54560, 58256, 61504, 72820, 76880, 82088, 84568, 84736, 87296, 102610, 105710, 105920, 109120, 112871, 116512, 123008, 145640, 153760, 164176, 169136, 205220, 211420, 211840, 218240, 225742, 233024, 246016, 291280, 307520, 318091, 328352, 338272, 410440, 422840, 423680, 436480, 451484, 466048, 564355, 582560, 615040, 636182, 656704, 676544, 820880, 845680, 902968, 932096, 1128710, 1165120, 1230080, 1272364, 1313408, 1353088, 1590455, 1641760, 1691360, 1805936, 2257420, 2330240, 2544728, 2626816, 2706176, 3180910, 3283520, 3382720, 3499001, 3611872, 4514840, 4660480, 5089456, 6361820, 6567040, 6765440, 6998002, 7223744, 9029680, 10178912, 12723640, 13134080, 13530880, 13996004, 14447488, 17495005, 18059360, 20357824, 25447280, 27992008, 28894976, 34990010, 36118720, 40715648, 50894560, 55984016, 69980020, 72237440, 81431296, 101789120, 111968032, 139960040, 144474880, 203578240, 223936064, 279920080, 407156480, 447872128, 559840160, 895744256, 1119680320, 2239360640, 4478721280]

約数ペア:

[(1, 4478721280), (2, 2239360640), (4, 1119680320), (5, 895744256), (8, 559840160), (10, 447872128), (11, 407156480), (16, 279920080), (20, 223936064), (22, 203578240), (31, 144474880), (32, 139960040), (40, 111968032), (44, 101789120), (55, 81431296), (62, 72237440), (64, 69980020), (80, 55984016), (88, 50894560), (110, 40715648), (124, 36118720), (128, 34990010), (155, 28894976), (160, 27992008), (176, 25447280), (220, 20357824), (248, 18059360), (256, 17495005), (310, 14447488), (320, 13996004), (331, 13530880), (341, 13134080), (352, 12723640), (440, 10178912), (496, 9029680), (620, 7223744), (640, 6998002), (662, 6765440), (682, 6567040), (704, 6361820), (880, 5089456), (961, 4660480), (992, 4514840), (1240, 3611872), (1280, 3499001), (1324, 3382720), (1364, 3283520), (1408, 3180910), (1655, 2706176), (1705, 2626816), (1760, 2544728), (1922, 2330240), (1984, 2257420), (2480, 1805936), (2648, 1691360), (2728, 1641760), (2816, 1590455), (3310, 1353088), (3410, 1313408), (3520, 1272364), (3641, 1230080), (3844, 1165120), (3968, 1128710), (4805, 932096), (4960, 902968), (5296, 845680), (5456, 820880), (6620, 676544), (6820, 656704), (7040, 636182), (7282, 615040), (7688, 582560), (7936, 564355), (9610, 466048), (9920, 451484), (10261, 436480), (10571, 423680), (10592, 422840), (10912, 410440), (13240, 338272), (13640, 328352), (14080, 318091), (14564, 307520), (15376, 291280), (18205, 246016), (19220, 233024), (19840, 225742), (20522, 218240), (21142, 211840), (21184, 211420), (21824, 205220), (26480, 169136), (27280, 164176), (29128, 153760), (30752, 145640), (36410, 123008), (38440, 116512), (39680, 112871), (41044, 109120), (42284, 105920), (42368, 105710), (43648, 102610), (51305, 87296), (52855, 84736), (52960, 84568), (54560, 82088), (58256, 76880), (61504, 72820)]